This is what you have test pilots and drivers for. Machines have made us think about them in less than positive ways. It's perfectly safe. The problem with computer systems is that we think we should try to put common sense into them. I think this is wrong.
Humans take common sense for granted.
It is a form of prejudice. Common sense is not logic. In the end, it is all your point of view. It almost makes you want to take up plumbing. The point I want to make is that there seems to be a large segment of society out there that doesn't think this is a risk at all - it's just funny.