You can disagree with my take on Burrow, and I could be wrong on it. I just realize that situation and opportunities can mean as much as talent/potential. I don't think it is fair to assume Burrow would be the Burrow he is today if he ended up at Nebraska. Doesn't mean he wouldn't have, but you definitely can't automatically assume he would be.
As Hville points out, AM had lots of looks. We actually stole him from Tennessee when Frost got hired. He was committed and flipped after Frost made a hard push after he got hired. Burrow and AM are far from the same player, I recognize that. But, we saw that AM improved when he went to KSU and is now very successful in the USFL. The situation he was in at Nebraska wasn't ultimately the best setup for him to flourish. I think the same could have been the case for Burrow.