Actually Tejas did start this by unfairly changing the rules of the big 8 and by not sharing revenue equally. The Big 8 members took in the pathetic SWC where Tejas was a very minor player in CFB. The old Big 8 members were tired of being beaten yearly by OU & NU and thought that adding the SWC would be like a big FU to the league bullies.
The only dissenting vote for Big 12 expansion was Osborne. He stated that in years to come everything would start to have a Tejas flavor and that Tejas would hold all the cards. BINGO we have a winner. The Big 10 is the countries leader in research, every team in the Big 10 is AAU accredited. Sure, it's about football money but it's also about the grants and billions in research monies that brings as well.
Nu is a big research university and the prestige (academically) associated with the Big 10 would be great. Only the SEC is lower than the Big 12 academically. Nu would do just fine football wise in the Big 10. Posters here are right by saying that the path to championships would be easier in the Big 12.....But who want's the easy road 
Uhhhh....Nebraska was and is a part of the voting block that is AGAINST equal revenue sharing with Oklahoma, Texas, and A&M.
I think it's hilarious that Nebraska fans have started this asinine talking point that they're for revenue sharing and Texas is a villain. Nebraska is worse because they're acting like they were for revenue sharing since the beginning, and that's absolutely untrue.
It takes nine votes to change policy in this conference. Do you know why it's nine? Because there's a four team voting block consisting of NU, UT, A&M, and OU. If they don't want it, it doesn't happen. And they didn't want revenue sharing.
And Nebraska would undoubtedly do worse in the Big Ten. Jesus, Kansas State and Colorado have BOTH won the Big 12 since you did eleven years ago. You really think you stand a chance against Ohio State and Penn State? Iowa? Wisconsin?
Nebraska football is NOT going to become what it once was. If your fans want to experience the BCS again, you better hope you get lucky in the Big 12 CCG, because you aren't going through the Big Ten gauntlet and getting there any time in the near future.