Mr. Monk's Favorite Show - S8-E1
Revealing mistake: The car that explodes isn't sitting in a striped parking lot space. In fact, it's very obviously parked out in the middle of the lot's traffic lane, well away from any other vehicles, precisely because the special effects crew are about to blow it up.
Mr. Monk's Favorite Show - S8-E1
Continuity mistake: Near the end when Monk is doing his usual "Here's what happened" speech, he hands an envelope to the dad. A few minutes later he walks away from the dad, who still has the envelope in his hand. Immediately, the shot changes and Monk, who is not near the dad, has the envelope.
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