A Point Guard in the Triangle isn't going to monopolize the ball like he would in a screen/roll heavy offense. The ball needs to leave everyone's hand within 3 seconds, in theory. How many good point guards like to just bring the ball up and make an initiation pass? Not many. Even point guards like Gary Payton didn't do well in the Triangle.
It's an offense where the point guard is supposed to be a) ballhandler that brings the ball up to make the initiation pass b) cut into spots where he can launch 3's or jumpshots. Sometimes layups.
Majority of NBA point guards want to monopolize the ball and need it in their hands for longer than 3 seconds to get their game impact going. I don't know of many point guards who are good fits in the Triangle. There are some, but not that many. Finding a point guard that is better than Jose will be easy. Finding a point guard who would fit in better and make the offense run smoother not so easy. The key is the latter. We should definitely upgrade the point guard position. But it won't be easy and it is unlikely to happen this year. Brandon Jennings or guys like that won't fit in the Triangle.
You go back to Phil's Bulls and Lakers teams, there wasn't ever a ball dominant, heavy screen/roll running point guard on it.