If you can't handle the party, don't host it.
This is an all or nothing dinner party, dude
You are a people appointed by randomize in a position that has been around for a while, and there hasn't been this much drama with it before.
Think of this way. Randomize asks you to throw a dinner for the office. You don't like the attitudes of the people at the office, so you don't invite them. They get pissed because this is an "office party" and they aren't invited to it, and they aren't sure why