We can't be sure but I wouldn't be surprised if each call, at the very least, is being signed off by McDermott today whereas, before the bye, Babich had more freedom.
They're major but they're not always going to happen.The defense has to be able to get punts as well. For the most part, the D seems to be turnovers or points.
I'd be happy if he was only off for a couple of games. Outside of the fourth quarter against the Ravens, he hasn't been right all season. It's not all him, but he's looking a shadow of his best self.