Answering Drunks or Sober Plain Idiots.
I let a few comments "go", unless it is a group with youngsters and one obscene commentor. Then we have this "Talk": "If I can't right now convince you to be more quiet, then at the end of the house tour, some of the others in your group might be asking Me for a refund or a whole new tour. I am just lazy and cheap enough that I really don't want to do either of those things, just because you are mouthy. If you can't stifle yourself you must leave."
I will modify my demand if it is determined that the group all came here together and if everyone in that group doesn't mind if a person among them is distractingly mouthy because then Jim just says less and does less of what I would normally say and do, afterall it is their time and money, just trying to "please". This offer, the few times it has is taken up, fails very quickly as the yammering people fail to be or become entertaining enough for the rest of the group to tolerate.
Then they demand I do what I was paid to do here, which was to provide stimulating,nocturnal entertainment, in my own words, and odd style.