It is because experts are, for some percentage of the time, wrong. In fact they are so wrong sometimes that the consequences are quite serious. Experts don't

It is because experts are, for some percentage of the time, wrong. In fact they are so wrong sometimes that the consequences are quite serious. Experts don't deserve to be silenced, but they also should not have the power to force someone to do something[1] [1] if someone is in the process of attacking someone else physically, then of course the use of force is justified.