Total domination AA does lead to some credible info that charm became more powerful later on which led to the nerf. But is charm as it currently stands OP, and should CHA not impact it?
Did a little research on the total domination AA.
https://forums.daybreakgames.com/eq/....230860/page-3
A few interesting bits in here. It is out of era of course. But the major thing I picked out of the posts is that seems like it's pretty common knowledge that CHA has always been included in the charming formula for enchanters.