He has no help. None. No receivers making incredible catches. No great rushes.
Allen is bad right now, but he looks worse because he has to do everything.
Doing what it takes to win is team and opponent dependent.
Peyton Manning did what it took to win in 2015. Peyton Manning sucked in 2015 and had to retire.
Carr also was an MVP candidate in his third year, and won 12 games as a starter, so this "backslid after a first year" is just completely wrong. Let's try to pay attention to the league a little more.