I will put my replies here. I write books because I hate what TWITTER has done to the prose of the nation. It is unlikely that FSU can join the Big10 as FSU is not an AAU University. The Big10 is an academic conference first. The Big Ten would have to change precedent to allow FSU in. There is Nebraska as an outlier. Nebraska lost AAU designation after it joined the Big10. This question is above my pay grade.
My point on the state of college football is being missed...
The primary problem with the bulk of your premises that lead you to your common conclusion is some version of the assumption that all schedules and conferences are created equal.
In the last 36 years, you'd be hard-pressed to make any argument that the crowned National Champion(s) in any given year were not elite teams. You might be able to make the argument that there was an elite team they didn't play but not that they weren't elite themselves.
And it should matter how many elite programs you play in any given season.
However, there should be some recency bias - not too much but some. For example, Minnesota has won multiple National Championships but they haven't fielded a single elite team in several decades.
That's the reason I mentioned 36 years above instead of a nice, round number like 30 or 40. You see, recent memory should play a part in current evaluations. And - for bigger picture questions - a good, consistent version of recent is the lifespan of your program's current recruits, i.e., 18 years.
If you want to know how balanced a conference is - top to bottom - then you should ask how many different teams from that conference have won conference championships in the last 18 years.
And If you want to know how good a conference is - compared to other conferences - then you should ask how many different teams from that conference have won national championships in the last 18 years.
These are the most important considerations for any estimation of quality - best or deserving - because the majority of any program's games are against conference opponents. Out-of-conference games merely serve to support or detract from this evaluation.
You see, reality is the fact that there is far more likely to be 0, 1, or 2 elite teams in any given year than 3 or more elite teams. The problem is that there often appears to be more elite teams than actually exist in many years. That's why we end up with blowouts in the CFP virtually every year.
Part of the problem is the idea that your overall record indicates your quality.
It does not.
You are - in this order:
1. The teams to which you've lost.
2. The 10+ win teams from elite conferences you've beaten.
3. The 10+ win teams from other conferences you've beaten.
4. The 6+ win teams from elite conferences you've beaten.
5. The 6+ win teams from other conferences you've beaten.
All other games should be considered scrimmages and, effectively, as saying nothing about your quality.
You'll notice that I said nothing about "Power 5" conferences. The reason is because not all Power 5 conferences are elite. The elite conferences - at any given point in time - are the top 2 or 3 conferences in terms of the greatest number of different teams within that conference that have won national championships in the previous 18 years (recent memory).
You see, being truly elite neither appears overnight nor disappears overnight. There is so much foundation required for being actually elite that the quality appears at least a couple years before the actual elite season(s) and endures beyond for at least a couple seasons. This means that the level of competition against such teams is demonstrably greater than against teams that haven't ever been truly elite in recent memory.
If you only have one program - or worse, zero - in your conference that has won a National Championship in recent memory, then winning your conference means far, far less than winning an elite conference.
You can argue that this is unfair for a potentially elite program outside an elite conference. On the other hand, every team that wins an elite conference has defeated multiple teams with a proven pedigree and that cannot be discounted in any fair evaluation.
The bottom line - as much as it disappoints the fans of any team outside an elite conference - is that ignoring the factor of recent pedigree is, realistically, more unfair than factoring it into the current evaluation...