How do economists change what they say based on money

HBR has this great article about the impact of money on economists and what they have to say about economics:

“To be an economist, you kind of have to believe that people respond to economic incentives. But when anyone suggests that an economist’s views might be shaped by the economic incentives he or she faces, that economist tends to get bent out of shape. This happened perhaps most famously in the documentary Inside Job, in which filmmaker Charles Ferguson posed his questions to the likes o...