I won't dispute that, but there are many dangerous hobbies that require no license. I'm also not against the thought of some level of certification or licensing. The problem is that would fall, again, on vendors until the government formulated a universal standard. And while it would be good to help provide better understanding of flight and operation it would likely not do much for failure scenarios.

There are the two similar, but very different scenarios: 1) controller crashes RC aircraft into person because of negligent flying, or 2) loss of control due to hardware failure crashes RC aircraft into person

Both are real scenarios with cars and scenario 2 isn't accounted for during license testing. What people need to understand is that these devices shouldn't be outright banned because of impending accidents. Yes, those will be unfortunate - but the hobby has good recreational and business use cases in my opinion.

I have a drivers license. I can drive a car. However, even I know I'm not the best driver in the world. In fact, I'm probably below average. I just drive so little.

A drivers license is a bad example.