Nintendo’s infamously protective of its IP, even to its obvious detriment. I know a lot of people who jumped on the nomoretendo bandwagon after AM2R got DMCA’d, because the smart and morally correct thing to do would have been to hire that person and pull his incredible talent into the next Metroid game, because they clearly had a lot of love and respect for the subject matter and the technical expertise to put it into action. It’s hard to overstate just how fucking good and polished that project was, virtually identical to the Fusion/Zero Mission engine, except in the ways it was more improved. It was certainly better than anything Nintendo had done with Metroid in quite a while.