I think people missed that he was NEVER meant to be redeemed, he as a character is a cautionary tale about destroying yourself because you refuse to change or let yourself feel remorseful even though you hurt those around you
Not all characters are meant for a happy ending
my dark horse evil gaming take is that people have really closed minds on controls and control schemes in the modern day. controller standardization and very established tropes for every genre have led us to just instantly mock anything unusual.