Your implied frustration at a relatively easy change backed by experts and mountains of data is another point in favor of

> humans are so oblivious to safety

Considering cars are one of the top causes of death for kids (the top?), this just feels obvious.

Oh wow what a tragedy. You think maybe there's reasons for that mandate? Like maybe it saves children's lives?

But sure everything would be better if any moron was allowed to decide how to keep their own kids safe.