I agree with u and would push it even farther. Can anyone really think of a great QB in the modern era...whose team sucked?
You can find teams with great WRs or RBs or DEnds or corners....even HOF guys at those positions, aying on bad teams... but if you show me a top 5 QB, then his team is in the playoffs, even moreso in the last 10 years or so.
I'd be willing to stretch that to 40 or even 50% for QB alone. It's that important....and has that much trickle down effect on all other units including defense.
The Ravens won a SB with an average QB in 2000 with an all time great defense, but rules were different then. As a GREAT example, our arch rival Eagles had one of the top 5 greatest defenses of all time in 1991, with Reggie White in his prime. #1 against Pass, #1 against run, #1 overall Defense, with a HOFer and 7 or 8 probowlers just on defense. But they had to play with a bad QB that year, and couldn't even make a wildcard game, because they lost a zillion games 10 to 9.
You have a Top 5 all time QB, I don't care how bad ur defense or special teams are, ur making the playoffs and will probably win at least 1 SB in his career