I must disagree with you on two points.
1) I agree about Griner and Wilson but then they mop the floor up with pretty much everybody they play against. I fail to see how that is somehow evidence that T is not a great player?
2) You said, "She has height, that's it". Well based on that logic, because her height now is the same as it was when she was a freshman her level of play should be the same. It clearly is not the same thus I must conclude that she has indeed acquired some level of skill that has absolutely nothing to do with her height. Perhaps it is not as much as you and I would like but skills nonetheless.
The reason Johnnie Harris was the Asst of the Year nationally last year was the incredible development of T from her freshman year to now.
Her rebounding and post D alone will make her valuable in the pros.