Rails Basic

The Real Debate

Oreskes and Conway's Merchants of Doubt reveals a crucial insight: the battle over science was never really about free speech. It was about free markets.

These giant corporations funded the doubt-mongers because they were upset about regulation. They were upset that they didn't have an "equal" seat at the table of regulation (248).

The key players — physicists and cold warriors who had spent decades defending the Strategic Defense Initiative — found themselves without a mission after the Cold War ended. They turned their sights on environmentalists. They saw regulation as a slippery slope to socialism and communism.

"But not every 'side' is right or true; opinions sometimes express uninformed beliefs, not reliable knowledge" (240). These men knew how to tell the story well and had enough credentials to make them believable. And the media either didn't know or didn't care (241-243).

The strategy was simple: making the claims promoted look like science. Funding research. Producing graphs with no peer review. Creating the appearance of science.

"For a half century, the tobacco industry, the defenders of SDI and the skeptics about acid rain, the ozone hole, and global warming strove to 'maintain the controversy' and 'keep the debate alive' by fostering claims that were contrary to the mainstream of scientific evidence and expert judgment. They promoted claims that had already been refuted in the scientific literature, and the media became complicit as they reported these claims as if they were part of an ongoing scientific debate. And the media did so without informing readers, viewers, and listeners that the 'experts' being quoted were linked to the tobacco industry, were affiliated with ideologically motivated think tanks that received money from the tobacco industry (or in later years the fossil fuel industry), or were simply habitual contrarians who perhaps enjoyed the attention they got from promoting outlier views. Perhaps correspondents felt that adding this information would be editorializing. Or perhaps they did not know" (241).

The numbers tell the story: "62% of all articles published between 1992 and 1994 concluded that the research [on passive smoking] was 'controversial'" (242). "'Balance' had become a form of bias — or bias in favor of minority — in some cases, extreme minority — views" (243).

One of the things that free market fundamentalism depends on is consumers having absolute perfect knowledge. But these so-called free marketers were deliberately making sure Americans did not even have good information.

Key Strategies of Manufactured Doubt

Making Claims Look Like Science Manufacturing graphs, reports, and studies that appeared scientific but lacked peer review
Funding Research The tobacco industry and later fossil fuel interests directly funded studies designed to create uncertainty
Marshall Institute Tactics Producing graphs with no peer review and presenting them as expert analysis
Creating the Appearance of Science Using scientific language and credentials to give fringe views legitimacy
Wrong Experts Physicists and cold warriors speaking about oncology, ecology, and geology — fields they had no expertise in
Media Complicity Journalists reported both sides as equally valid without disclosing funding sources or industry ties

“All scientific work is incomplete — whether it be observational or experimental. All scientific work is liable to be upset or modified by advancing knowledge. That does not confer upon us a freedom to ignore the knowledge we already have, or to postpone action that it appears to demand at the given time.”
Sir Green, Director of Research for British American Tobacco — quoted in Merchants of Doubt

Core Concepts

Free Speech vs. Free Markets

This was never about the right to speak — it was about protecting corporate profits from regulation. The doubt-mongers had a seat at every regulatory table and were furious about it.

The Cold War Pivot

After the Soviet Union fell, cold warriors needed a new enemy. They found it in environmentalists, whom they accused of using regulation as a slippery slope to socialism.

"Maintain the Controversy"

The central strategy was never to prove the other side wrong. It was to keep the debate alive — to make the public believe settled science was still unsettled.

Balance as Bias

62% of articles on secondhand smoke called it "controversial." Balance became bias when one side represented a broad scientific consensus and the other a tiny industry-funded fringe.

Why Scientists Stayed Silent

Speaking up as one person representing thousands of scientists could get a person censured. Scientists weren't trained in communications. If they got involved, they'd be accused of politicizing science. If they didn't, the truth was left to speak for itself — and no one heard it.

The Burden of Proof Trap

"A demand for scientific proof is always a formula for inaction and delay, and usually the first reaction of a guilty conscience. The proper basis for such decisions is, of course, quite simply that it is reasonable in the circumstances." — Sir Green, Director of Research for British American Tobacco

We Want to Believe

We were easily swayed because we want to believe there is no existential problem. You can't prove anything about the future, so why do we expect undeniable evidence?

The Flaw in Both-Sides Journalism

News media operates by providing two contrasting viewpoints. The reader is likely to believe both have some merit — even though in science, one of them is wrong and the other is right (269). This is why these men practiced in the arena of public opinion, not science. Their claims did not pass peer review. Instead of moving on like real scientists, they became poor losers challenging the referee instead (270).

Wrong Kind of Scientists

A lot of these men were not even the right kind of scientists — physicists instead of geologists, oncologists, ecologists. They had stopped doing original research well before they started attacking (270).

The Public's Misconception of Science

Lay people think science brings certainty. Therefore any uncertainty means the science is either incomplete or wrong. But science is practiced by institutions and supported by evidence. Claims are judged by peer review. If a claim is rejected, you accept it and move on.

What Do We Do?

We trust each other. We constantly make choices based on incomplete knowledge in our own lives (like trusting someone to do a title search on a house). Scientists are licensed and highly rigorous — it behooves us to give them trust. And we accept that there might be imperfections, because there always are.

The Burden of Proof

We might never have absolute proof. The question is: do we act before or after reasonable doubt?

The epilogue of Merchants of Doubt brings it home: we were easily swayed because we want to believe there is no existential problem. You can't prove anything about the future so why do we expect undeniable evidence?

There is a fundamental misconception around the way lay people consider science. We think science brings certainty — and therefore any uncertainty means the science is either incomplete or wrong.

Science nowadays is practiced by institutions and supported by evidence. Claims are judged by peer review, and whether the claim is accepted becomes the fellowship's new operating guideline. If it's rejected, you accept it and move on to other things.

But mainstream journalists don't work this way. By providing two contrasting viewpoints, the reader is likely to believe both have some merit — even though in science, one of them is wrong and the other is right (269).

This is why these men practiced in the arena of public opinion, not science. Their claims did not pass peer review. And instead of moving on, they became poor losers challenging the referee instead of moving on (270).

The lesson for civic education: we accept that there might be imperfections or things not sorted out, because there always are. This is the burden of proof. We might never have absolute proof — but do we react before or after reasonable doubt?

Merchants of Doubt: Free Speech or Free Markets?