You left out tons of information in your first post, which paints an exaggerated picture of the status quo, whithout illustrating any of the problems in a way that is comprehensible.
Why exactly are they overpowered? What makes them op? What levels are you refering to? Why are they overpowered in those levels? How should they be balanced out?

I know we beat this dead horse over and over again and I don't disagree on some of the points that have been made in those past discussions. Just saying that you presented your case poorly. At the very least link to past discussions or quote them.