Exactly, also the PS4 player base is the biggest and they don't have the option to use mods. KT is basically milking their fattest, most lucrative cow absolutely dry.
Couldn't work on Steam because of the two hour refund system - pay, alter, backup save, refund, restore save.
xbox? Dunno. After the original bone reveal, it's hard to imagine M$ as the more consumer-friendly store operator, but stranger things have happened. Maybe M$ told them to fuck off?