re: Question on the people who don’t put their shopping carts away.

I don’t know how this became a leading metric for civilized society, but if not wanting to leave 3 young kids unattended in the car in a dark parking lot while I walk to the nearest cart corral makes me a Philistine, so be it.
If you want to talk about markers of low intelligence and character, perhaps we should start with those who a incapable of navigating a median crossover turn.