Mr. Monk's Other Brother - S7-E10
Factual error: In the scene where Monk is making pancakes in his kitchen, he is using a stainless steel spatula on a teflon-coated griddle pan. Mr. Monk has OCD and would never risk scratching his pan with a metal utensil.
Answer: The two men are trying to work out a secret deal between them without involving the union, which means the workers' interests aren't being represented and defeats the whole purpose of a union. The mayor would lose labor's support and Cusack's union troubles would just be starting.
Captain Defenestrator