They may not have a choice. I believe that a 4 Conference 16 teams per Conference format is in the not-so-distant future. If these 64 teams are smart they’ll set it up where they only play each other.
I believe there will be a college football version of the Premier League, where the big programs will break away from the NCAA, and set up their own TV contracts, and even allow member schools to pay their players.
ND has their own TV deal, they don’t want a football conference. Why a conference would take them without football is beyond me
If these 64 schools are really, really smart, they will ditch the NCAA and start their own governing body.