You're not wrong, but we can't ignore the flip side of the equation either. Of the top 10 QBs by AAV (Burrow, Lawrence, Goff, Herbert, Jackson, Hurts, Murray, Watson, Cousins, Mahomes) only 5 of them made the playoffs last season and one of those (Watson) barely played. I'm just not seeing a direct correlation between paying a QB and success. Now I think there is a direct correlation between paying a QB and the perception that you have a super bowl contender which may be even more important to some owners. This is why the Cowboys have been given the super bowl or bust label going back to Romo every year. It's why the the Bengals with 35 wins and 2 playoff appearances since Burrow entered the league is talked about as a serious contender every year, but not Pittsburgh who has 40 wins and 3 playoff appearances in that same time period.
You also from last season have the examples of guys like Jared Goff who was looked at as a JAG or at least on the decline once he went to Detroit. As they built up that roster hes viewed as a top 10ish QB again. Baker Mayfield couldn't find anyone who wanted him and settled for a $4M contract last season and won a playoff game. Joe Flacco came from off the street to get the Browns to the playoffs. Kenny Pickett had more wins that touchdown passes last year and made the playoffs.
Now to be fair the final 4 QBs in the conference championship games, 3 of them were on that top 10 paid list so maybe there is something to that???
Appreciate the conversation by the way. You make some very valid arguments, I just view it as there is more than one way to build a team in the modern version of the game.