They didn't believe the science data...
The Merchants of Doubt is a new book that reports how a small group of scientists committed to an extreme free-market ideology have been employed by large corporations over several decades to cast doubt on such different environmental issues as the risks of tobacco smoke, the dangers of DDT, the effectiveness of the Strategic Defence Initiative, the regulation of CFCs, and the causes of global warming. A review in the Christian Science Monitor calls this "one of the most important books of the year. Exhaustively researched and documented..."
Dr. Naomi Oreskes and Erik M. Conway wrote a book entitled, 'Merchants of Doubt: How a Handful of Scientists Obscured the Truth on Issues from Tobacco Smoke to Global Warming' in it she shows that it isn't always about money -though that is a welcome side benefit- but often about ideology, denial and beliefs.
Salesmen, OR Scientists
This presentation isn't so much about Climate Change as it is about Temperament and Ideology ... As well as System Justification Thoery... i.e., Think Tanks, lobbys etc..