This was a tragic accident born of ignorance, not “killing.”
It was an easily preventable accident that occurred due to complacency. I’ve seen a lot of reasonably intelligent people suffer horrific consequences due to complacency.
I’m sure she wouldn’t have balanced expensive crystal on the grocery cart. She should have carried the baby, in or out of the car seat.
If I could get my baby home from China in one piece, there’s no excuse for some creature that can’t get theirs through the fricken grocery store!