I think this is due to a sense of control and fear of the unknown. People shrug it off because they think they could conceivably do better, or have helped the

I think this is due to a sense of control and fear of the unknown. People shrug it off because they think they could conceivably do better, or have helped the situation. But, the higher the barrier to entry the less accepting people are of error. Look at the discrepancy between about of airline deaths and car deaths, and the respective fear it engenders in people. Just about everyone knows about driving a car, but very few know what it is like to fly a plane.