Mr. Monk Goes to Vegas - S3-E14
Continuity mistake: As Stottlemeyer steps off the stage, after singing, he is holding the microphone and pulls it down so that the top is pointed toward the floor but in shots following this, when he is talking to the woman, the microphone is back in an upright position.
Mr. Monk Goes to Vegas - S3-E14
Continuity mistake: After Monk tells Randy to hit whilst playing Blackjack, the dealer gives him the Three of Spades. The dealer places it a bit to the right and over the Eight of Spades. The next shot we see of the cards the Three is now completely over the Eight and we can only see a bit of the bottom of the Eight.
Mr. Monk Goes to Vegas - S3-E14
Continuity mistake: At the end when the Captain is given his pants, he unfolds the newspaper and turns it right side up. In the next shot, he's turning it right side up again.
Mr. Monk Goes to Vegas - S3-E14
Continuity mistake: The stacks of chips Monk bets when the dealer says they can't cover that change when Mr. Thorn says they can. Some stacks are shorter and have different colors on top. They change again when Monk figures out the case.
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