This article brought up some thoughts about people choosing to either be dumb or promote ignorance in the name of greed:

In Heartland Institute Leak, a Plan to Discredit Climate Teaching – NYTimes.com.

The part that made me angry, actually, isn’t that there are people out there actually foolish enough to believe the message this group is spreading. Nor is it the fact that certain interests might finance their mission, which is at this point something I have sadly accepted as inevitable. What makes me angry is the willful attempt to disrupt the education of our children and fill their heads with what is at best confusing claptrap, at worst outright lies. Taking hundreds of thousands of private dollars and targeting that money toward a misinformation curriculum when our nation’s schools are already struggling so much because of political maneuvering and posturing and kowtowing is an unforgivable transgression against our society and the coming generations.