Officiating to the score vs. officiating the game?

[MechanicGuy]

Game management is very real and very important. "Keeping the game close" is an entirely different accusation though. If a game is out of hand, I'm not putting marginal fouls on the outmanned team, and I'm not going to miss anything committed by the superior side.

It's also entirely possible that the crew got together at the end of the 3rd and all decided they had likely been letting a little too much go and as a crew tightened things up.