Yeah he has the responsibility to kick them out before they bankrupt him. All you can year relies on the social contract of people not making a spectacle of themselves. When you get people that can’t handle that you kick them out.
Then put a time limit on it. I am not talking about those 2 guys specifically, just in general.
I kind of hope they show up to picket the place, one wearing a dog suit and one wearing a rat suit. They seem to be the kind who might do it too. :p