It’s pretty simple. Sark’s offensive foundation is various forms of inside zone, and the RPO and PA game off of it.
He will run some gap schemes and OZ as well, but those are largely complimentary. He doesn’t like the wide stuff because the backside end or contain player is often unaccounted for, and this makes it difficult to build his RPO and RPO looking PA passes off of them. There are a few in the Bama highlights from last year, but they are always completions near the LOS, and often the pass is completed around the arms of the free backside defender.
Sark will also run counter plays, but much of his counter action and pulling gap stuff is largely eye candy for the defense and his RPO/PA game with a solid pocket being formed.
I can only imagine that an RPO game built off of OZ would require consistent use of an arc blocking end, influencing orbit motion and or boot action for the QB. I’m sure there’s hay to be made there, but perhaps not the quick hitting candy with minimal decision making and coverage reading for the QB.
There are no offenses that work well with an inept GCG combo. That must be shored up, and the run game simplified if it’s too complex with too many concepts imoho. Functional and reliable if not overly fluent should be the order of the day imoho. And then hold on until more athletic bodies that match our OL coach’s ideals are recruited or transferred in.