I think you have the right idea. Specifically regarding Pitt, they stayed tight to the shooters and didn't give up any 3s. However, they are not big inside and certainly don't have anyone to match Turner. ND should have pounded Turner relentlessly until Pitt started to collapse in, thus freeing up the shooters and completing the circle of life.
The issue was that the entry passing was horrible and so was the decision making on the pick and roll. Turner did her thing when she actually got the ball in good position but that happened too infrequently. ND finally got going and made the run that put the game away when Huffman came in to play the high post. She made a couple decent entry passes plus got a block and 3 steals and that sparked the run. But it shouldn't take putting a 5'9 guard in at the high post forward spot to get some decent entry passes. Normally, that would be Reimer's spot but she's gone and Westbeld had an off game.
On a macro level, there's nothing "ailing" ND. They are having some growing pains as good coaches like Scott Rueck, Machelle Joseph, and Susie McConnell-Serio figure out ways to attack this specific ND lineup. I expected this before Reimer left and Turner hurt her shoulder.