Number 3 was touched on later in that conversation as the NFL is run by people afraid to take risks. You saw it for years in coaching where going for it on 4th and 2 from the 40 was considered crazy. It took coaches just deciding to and being successful for that to just become common sense now just as it will take a GM just deciding to for it to work in the NFL.Yeah so I have many issues with this thought process:
1. The entire league, in total, could find a franchise QB every 4-5 years consistently. But in your scenario, you're extrapolating that to assume that a single franchise can, theoretically, churn out a mid-tier franchise QB every 4-5 years consistently.
The obvious issue is that, historically, we know a franchise can't do that. Because we have a lot of franchises that you could make a case haven't had even a mid-size franchise QB in 20, 25, 30 years. Certainly not from lack of effort, because those same franchises have drafted many, many, many QBs in that time, signed others, and it didn't seem to matter. High picks, low picks, traded picks, etc.
So in order for that scenario to work, you'd need to show me a franchise that can consistently compete, in 4-5 year cycles, while changing QBs in that window.
2. The other glaring problem with this discussion is that you're assigning "Pass" as a SB trophy, and "Fail" as literally every other outcome. I don't think anybody can stand behind that opinion logically. SBs are hard to get to, let alone win them. So are Conference Championship games. All perfectly fine metrics for success.
So a more prudent model would be to assess the overall success of that team during the example of a 4-5 year window.
3. The main reason why NFL franchises aren't doing this, and likely won't, is because NFL teams are run by people who like to collect paychecks and keep their jobs. So the first time that a franchise opts not to keep a high level franchise QB, and instead decides to invest on a mid-tier player (via draft or wherever), and that doesn't work (which it frequently won't work), the person making those decisions, along with many other people, will get fired.
But at a high level, the biggest fallacy with the thought process is that you're assuming that all NFL franchises are actually competent enough to obtain mid-tier franchise QBs on a recurring basis in a 4-5 year window. That's not an opinion that has any real basis.
I also did not assign Pass as SB trophy and fail as anything else. I was responding to the question about Super Bowl winners who had franchise QBs. Frankly I would consider making the SB to be a pass as if you are building a SB roster you should want to make it to the Super Bowl to be successful.
Also the entire league is finding a QB or two every year and is batting about 50% on them. They are actually batting better at finding franchise QBs then they are at trying to win with franchise QBs who they extended (and are under said extension). You can on average draft Tua in the first round, certainly in the upper half and so you now have a Tua on average and can pick up 2 elite WRs to go with him or 2 elite WRs and an elite OLine or elite DLine for the same cost as extending your QB.
Considering that in the NFL you win by having a franchise guy (of which I would count 18-19 QBs as that about 4-6 unknowns) and surrounding them with more talent than the other 17-18 teams it seems like you would be better able to add that talent if you instead of eating big contract you instead took the multiple 1s (and possibly 2s as well if you have a truly elite one) and used both the cap space and picks to keep loading up on talent.