I bet you're right about that. I've seen them just take piles of mail from trays in their car and put them straight in the mailbox like that. We have the huge mailboxes that serve 50-60 apartments each.

Yeah, I think I might be judging the mail people unfairly on this. Thanks for the insight.

I wonder why the machines aren't catching the misplaced mail. Or maybe mail people used to have the time to look through the mail and catch the mistakes? But now the postal service is broke and can't employ enough people and they no longer have the time?

Guess I have some research to do. Thanks again for the reply.