I don't feel that's just a controller issue. Button bloat is a thing for people using regular hotbars as well, and I think they should continually work on ways to re-invigorate and combine certain buttons in ways that make sense. For example, I appreciate that Ogi Namikiri and Kaeshi: Namikiri share a button, as well as Bunshin and Phantom Kamaitachi. Expounding on existing abilities using new traits is one of my favorite ways to bring life back into gameplay without increasing the amount of buttons needed.