I actually like this concept: Six first-round, on-campus games. After that, the top two remaining seeds advance to the semifinals, the other four play to advance to the semis with pairings based on a re-seed (based on original seeding, not redoing the rankings).
This will lead to six campus-site games and five neutral-site games (as opposed to four and seven, respectively, now). I'm sure the bowls will squawk about this. Between Orange, Peach, Sugar, Cotton, Fiesta, and Rose, someone gets left out with only five playoff games. Frankly, I think Peach or Cotton should get dropped in this case as they are the only sites which also hosts a CCG among those six bowl sites. But again, that's from a logical perspective and not a financial perspective.
What people will still split hairs on is how to seed and the deference given to winning a conference title. I actually like requiring winning a CCG to be a top four seed because it provides more opportunities to non-power conferences in the past "just missing" effectively by design, but agree going straight to a bye as a top four seed is too much.
This will also get two more games on campus, while still providing preferential treatment for winning a CCG over teams who don't have to play an extra game (host and a better change at jumping to the semis with a first-round win).
I think it "solves" part of the problem with why do all these other universities and their localities get an economic boost by *not* getting a bye since they didn't win their CCG while the CCG-winning bye teams don't get a home game. But that's a tangential issue.