... the typical beer ad and the current custom of fans acting like complete idiots whenever a camera is pointed their way.

..stormed the field, ... and celebrated well into the night...
To what purpose? The fans didn't win the game, the players did. Just another excuse to engage in irresponsible behavior.

BTW: When I played, our coach always told us that if we made a good play or scored, to act like we had done it before and expected to do it again and just get on with the game. It was a team game not a collection of "showboats".