Well i believe it depends on how the game in made. Some games are more convenient to play with a Controller since you cam fine tune the movement. But otherwise the mouse is awsome for shooters. But some games have build in aimassists for Controller players.
While it's fun and has been good lately, I still think the Keyboard/Mouse players have a big advantage over controllers but I dont think limiting it to consoles is good. Probably limit to controllers only on pc?
I think it's generally a positive change, but I do agree, the control disparity can often cause problems. I think some games bucket players together, while others are more careless, and the difference definitely shows.