You never know. Hurts and Tua were both

ready to start as true freshmen.
See, I have mixed feelings about that.
Hurts came in and won the job after a few others faltered, and did pretty well year 1, but I 100% believe that being pushed into action as a true freshman led him to some bad habits, or maybe reinforced some, and that had he been able to learn more early, he could have developed into a more well rounded QB faster. I think a lot of the issues in year 2 were because it was hard for him to stop doing the things that worked well for him his first year.
We kinda had the opposite with Tua. Yes, he was capable as soon as he walked on campus and pushed Hurts hard for the job, but I also think that not having the 'starter' label, and getting to get reps in games that were still when it kinda mattered, but there was not as much pressure, helped him develop better and faster. BY was pretty much the same. He probably was good enough, but sitting behind Mac while still getting a decent amount of reps I think really helped him out.
I think the same is true for a lot of guys going to the NFL. It's often better to be the backup for a year, or even just part of the year so that a guy can get up to speed on playbook stuff, get more in sync with the WRs, see how much faster the game is and all that stuff.
So I guess just because someone is possibly capable, doesn't mean it's the best thing for their development long term.