If we really want to solve college football, we have to eliminate the regional conference model. The only real way to solve this is to eliminate "regional" conferences and open the nation up to a conference system similar to European soccer. Top 2 teams in any conference move up to the higher league. Bottom two teams move down a league for next year. COVID showed us that scheduling can be worked out in less than a year, so it IS possible to arrange. The "highest" league champion is the National Champion.
Why I don't support this - would eliminate a lot of tradition and rivalries that have been active in college football for (in some cases) over a century.