Since you are in fact not a model, let me chime in with some actual "ask a model" insight
If one of my very well supporting regulars over uses one of the things on my list/in a game, I get in his face about it. Things on tip menus are meant for multiple people to use in one session, not one person to dominate it. Things are priced in a way that invite many users/new users to use it. Not one person to tip over and over for it.I find it hard to believe a model will decide to put something on their menu (Writing on themselves), set the price for that.
And then complain when someone tips for it, and complain its degrading.