Absent something like OpenSolaris really taking off, the popular opinion in my circles is that *BSD would have (which is at least related to the same thing). Unless you believe Windows would have "won" which is certainly the side-bet a lot of companies were making at the time.

Not really, as anyone that was already using UNIX at the time is aware of, and the whole UNIX V6 vs BSD integrations as baseline for Aix, Solaris, Irix, HP-UX,....