no, then there will be arguments about the last 3 spots
Those other three are for non-"power five" and/or independents who didn't otherwise wouldn't make the top five so that they can have a fair chance too.
Of course, people would still find something to complain about... but if I were Emperor... An eight team playoff, with aforementioned rule. Bowl games might be the first round, or they might be the semifinals.
I'd make that a Saturday proclamation, right after I'd spent a week solving certain other problems...