Yup, this is often missed alas.
Ultimately it's SISU's choice who's in charge, so ultimately SISU are culpable.
Doubt anybody'd want Fisher back as Chairman or CEO under new owners (despite the fact that, IMNSHO, given the constraints and ineptitude around the club as a whole, the footballing side is not run entirely stupidly atm) and not entirely sure why Ranson avoids criticism.
Given his plan as of 2015 was to introduce other hedge funds to other fpootball clubs so said hedge funds could make a profit, it seems he isn't overly bothered with how such a plan turned out at CCFC either.