McCord's first start is not that different than CJ's first start on many levels. Both came against a B1G opponent and not a soup can. Both games involved clunky offensive play. CJ got the benefit of some big plays that Kyle did not (And Kyle missed some open deep throws - both balls he threw and balls he didn't) (I remember Trey took a wheel 75 yards and Garrett had a score where
@DaddyBigBucks noted the only way he wasn't going to score was if he died of loneliness), but Kyle had a much better short and mid range game than CJ did.
If Marv doesn't step out of bounds, it looks slightly better for McCord as well. That's not on him, that's on Marv. Likewise, I don't recall who was on the 2021 O-Line, but I'm certain it was a better group than the current line, specifically at Tackle. That hurt McCord by way of comparison to CJs first start as well.
All to say, it's way too early, in my IMO, to declare McCord unable to take this team to the highest heights. I was not impressed with his first outing, but I'm not ready to make any sweeping conclusions just yet. It seemed to me he had better command than Brown did, although that's not particularly fair to Brown by me.