You’ve just identified yourself as one of the only people in the universe who would find the old BCS system more attractive than the NCAA tournament.
Regarding BYU’s chances: there was only once in 35 years we were the highest ranked “G5” conference champion? That would be the treshold for the playoff, not a top 8 finish.
If you genuinely prefer an eternal round of exhibition games to a chance at a playoff birth, with a Natty on the line, I simply wish you the best because we will never see eye to eye on this.