I agree. It seems like the wrong way around to say that it's rude to tell guests how to act; guests are supposed to be polite to the hosts and follow their rule

I agree. It seems like the wrong way around to say that it's rude to tell guests how to act; guests are supposed to be polite to the hosts and follow their rules. It's why you might put your feet up on the table at your own house, but not at someone else's house unless they give you permission.