This isn't about bringing a buddy along. If ND & Stanford or ND, Stanford, Oregon & Washington are accretive to the current 16 team Big 10 average annual revenue/school, why not add 2 or even 4 schools? And the reality could very well be 3 of the schools aren't accretive standalone, but Notre Dame brings value significantly higher (aka Mich, OSU, PSU levels) than the current per school average. aka Rising tide raises all ships.Sorry, no. Why add 3-4 schools to keep your per-school the same when you could just add 2 and then have more money? That said, I could see the B10 and maybe the SEC each having one scenario where they'd let a school bring a buddy along.
For the B10, that's Notre Dame. Hell, they might let ND name 3 other schools, especially if their choices check other boxes. For example, Stanford would give the B10 another west coast school. Florida St and/or Miami would get them into Florida.
If the SEC values a school outside the south east, they might get a buddy. But I'm not sure I see a lot of great choices outside the Southeast. Maybe they let UNC bring along Duke, but that seems unlikely. They'd give ND the same opportunity as the B10, but I can't see the ND administration ever agreeing to join the SEC under any circumstance. They'd sooner shut down their football program.
One benefit of adding "buddy" schools is inventory. When the day comes that streaming/subscriptions are the main vehicle for broadcasting live sports, more inventory is better. More inventory equals more people on your platform.
Another reason why the Big10 (or SEC) could make sense of Oregon, Washington, Virginia, UNC, etc. is where would you rank those schools in standalone media value among the current 16 teams in those respective conferences? Are those schools more valuable than Minnesota, Iowa, Purdue, Indiana, Rutgers, Maryland, Northwestern? If the answer is yes, it could make sense to add those schools. Same goes for the SEC vs. its lower value schools.