Leaving children in the car for short periods has occasionally practical benefits, just as with pets. And both humans and animals do just fine in cars as long as you make sure that the interior doesn't get too hot. In this instance it's more about making sure harmless behavior isn't accidentally outlawed.

>Never mind that the concept of free range parenting in America is something mostly for the white and wealthy.

How is that? The US isn't Norway, but it is still very safe. I don't see why helicopter parenting should be required?