A second thought:
I think that the only way two super conferences of 20 each take over will be if certain gambling laws are changed, and Las Vegas takes over as sponsor. Pay all of the players NIL equally (Gambling companies stand to make a lot of money out of this and can support the NIL). Games and tournaments will be restricted to among the 40 teams. Still show the University connections to keep the original fans. Vegas would create their own multi-channel broadcast network and provide on-line gambling for financing.
The left out teams can stay with NCAA and operate as they have been. The only thing that will happen is that the name teams will have departed to the Vegas Leagues.
Think it can't happen? Money talks and walks. "Watch this space."
You are not a good troll. And yes I know this isnt your first username.