I think we are a long, long way off from that possibility. In the short term, a destabilized ACC kills off the
supposed "loose alliance" with the Pac12, and the Pac12, with reasonable understanding of UW and UO leaving to Big10 at the first chance, is similarly destabilized. The only benefits the Big 12 in the short run.
Where it plays out in the long run, however, may go how you're saying, but I think we are still a ways off from that.