One at a time....
Having to win more games likely has no change. Injuries? Remember the time Clemson lost their star QB and ended up with a third string freshman that is about to become the top player in the 2021 draft?
The one year Bama missed the playoff, they finished 2nd in recruiting. Oklahoma made the playoff three years in a row and proceeded to finish outside of the top 10. It ain't the CFP.
Yes, G5 teams can beat the occasional P5 in a one-off game. Usually early season or in a meaningless bowl game. So what? If you don't think a P5 team isn't going to bring it a little differently in January, you're mistaken.
It's okay that you don't like it. You don't have to. The people writing the checks aren't caving to your whims and the people cashing them don't care.