You're right. I think there's a lot of Meaningful concern over whether he could make it through not just one season, but three seasons. Especially with regard to his shoulder.
We've seen this with Luck and Brady before. I'd have liked to see where it was after a full year off.
That being said, going from Cam to TB leads me believe Tepper really wants a traditional QB and is building the team based on the brand of football he wants.
It's his team, he can do it, but he's making a hell of gamble and being a Charlotte native, it's going to be hard to recover if it fails.
Personally, I think if you decide to move on from cam you let the season play out and draft your QB of the future next year no matter what and spend this year building up the other weak positions especially if you plan to give CMC the type of contract he's going to command.
TLDR; I think TB is an upgrade over KA and probably takes us to 8 or 9 wins if everything else remained constant. But I don't think he ever comes close to a healthy cam in the JB offense.
We will see, but I'm not going to make excuses for Hurney or Tepper if we fail.
Rhule gets 3 years.