Again, what are we talking about? 3 on offense, 3 on defense, or both? And "the 3" is not universal with regard to how it is used in each system, so what are we even talking about here?
If we are talking about playing Davis, Anderson, and Lopez together, or sub in Smith for Anderson or Lopez, etc. - then we are already doing that. Say he is playing the three, the four, the 10, whatever. He has the versatility to allow you to put your best players on the floor regardless of position. Monty knows that and is doing that. Will we see more of it? Not if Aminu keeps playing like this. No need, as he is one of our 5 best guys.
Now if Davis or Aminu could play the 2, then we would have something