The B12 has a good TV contract. Stable teams. Good football. Supportive fans. They may lack a marquee football name, but that doesn't always equated to football success.
Then PAC is just another conference. They have a couple solid pieces left (some from a financial standpoint and others with quality products). The B12 will flourish with or without adding any of them.
B12 basketball may be incredible for the next decade – which earns a lot of cash.