I don't have a problem with aggressive refs calling penalties so long as it's even. Sure felt like the refs got involved in the 4th quarter yesterday, and it wasn't even-keeled. Shapen got drilled a couple of times without calls for what would've surely been called for uTexas.
The back to back PI calls on that same Texas drive seemed the same, but they were already at the 2 or whatever at that point, so I doubt it made a difference.
I was more bothered by the lack of review for the big Wingo run off the screen on the second play of the game when it sure seemed like he might've stepped out. They had a couple of TDs that were potentially out of bounds that were the same way. Was there enough video evidence to overturn the incomplete pass call on the field for the OT TD pass? Etc.
Like JWS used to tell the team: gotta beat the other team and the refs by not leaving enough margin.