Character mistake: While waiting for the plane with Team USA Herb Brooks watches TV news reporting that the NHL All-Star team has been defeated by the Soviets 6-0 in Game 3 of the 1979 Challenge Cup. The 1979 Challenge Cup took place in February, and Herb Brooks became the Team USA Coach only in June.
Visible crew/equipment: At the beginning of the IHL game you can see the bottom of a camera trolley.
Answer: Since they all came from different, sometimes rival, universities, and thus had no commonality, he wanted to give them someone to dislike together, instead of fighting with one another. If they could all bond over what a bastard Brooks was, they'd come together faster as a team and have a chance of winning.