The facts and the logic connecting them to the conclusion are so overwhelming, this is now beyond reasonable debate.

However, the larger reality is that people will generally do what they want and can get away with; larger abstractions won't matter. What they perceive and act on is simply that they want X and can easily get X, and there's nothing abstract about that.

Similar myopia results in a failure to believe in global warming, a willingness to start smoking, inability to care about several hundred thousand Iraqis dying in a war America started for no apparent reason, etc.