For every team except the top 5 or 6, getting into the playoff will become just like getting into the basketball tournament. They will put up banner saying they were a playoff team in 20XX. Coaches will be rewarded and extended for making the playoff, not for winning the championship, because for all but a few schools, that is not going to happen.
Truely the only way to even the field is bring in a system that cuts the number of scholarships to the Georgia's and Alabama schools. So they win the championship, they only get 20 scholarships per year for the next couple of seasons, runner up gets 22 scholarships. Keep it going until they bottom out at 15 and then you will see change at the top.
None of that is going to happen, ESPN and FOX care a lot more about Ohio State winning and their TV ratings than being able for ISU or KSU to get into the playoff and advance. Just the world we live in.