This makes no fucking sense; why is Theory wasting his cash in with a title nobody cares about? Is he not allowed to challenge Roman for some reason I'm not aware of?
In theory (if you excuse the pun), it makes sense for a heel.
Dude would be dumb as shit to go after Roman, because there's no way anyone is jumping Roman, he's surrounded by The Bloodline, so if Theory does get the drop on Roman, he's still not winning the title, someone would cause a disqualification. So, if you move down a level you're left with Rollins and Gunther. If you go after Gunther, you're running into a train, and even then, you have Imperium flanking him. It's a no win situation.
That leaves Rollins, or Bron Breakker.
Someone who has a ego, he's not going to go to the "minor leagues", so that just leaves Rollins.
On top of that, I see Theory like Otis. Vince got smitten with them for whatever reason, put the MITB on them, with no exit strategy.