She's just making you out to be the bad guy in everyone's eyes. Poor OM! Poor party host! Poor friends of OM. LBH is ruining everything!why doesn't he just stay home? Nobody wants LBH at their party!
I will give her a -10 for class. You are her H. If that cramps anyone's style, that's their problem. Do what you want to do!
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!