Yes because they want the plays to look alike. If he can freeze a defender because it looks like a read option and he might keep it, then he's done his job. A number of times they made it look like a read option but there was no one left unblocked, there was no one to read. A little hard to run a read option when there literally is no one to read because you block everyone.
The one thing I did seem to notice were some packaged plays where the read was between a power or inside zone and a bubble screen or pop pass. I believe that might have been the call when there was that strange fumble between Cardale and Zeke against Oregon. At first it looked like Cardale thought he should pass and then changed his mind, but Zeke had already moved onto blocking and wasn't expecting Cardale to try to stick it back in his chest.
I would love someone who has actually charted the game to weigh in, but my guess is that they ran 5-10 against Wisky, 3-5 against Bama, and 2-3 against Oregon, for a total of about 15-20. As they realized that he really didn't have the kind of speed and quickness to pressure a defense on the outside they basically seemed to stop running it.