It was more the fact that he asked for a two night stay at the luxury hotel and had the use of the gym and pool, spa for team bonding . The captain complained that they didnt want to spend the second night and kicked up a fuss. The extent was that the hotel made them packed lunches for the  way home and the captain said this was crap food and the squad would eat shit at the service station: Mickey apparently exploded as they also had Thursday off and realised he was looking after a bunch of kids