I don't want to start a fight here so I won't answer anything beyond this point, but I think you are misunderstanding what gatekeeping is...
Removing labels is just about nomenclature... the Him-s, She-s and Them-s would still love be addressed by his, hers and theirs preferred pronouns even if there's no more "naming" gays, lesbians and trans...
Gatekeeping is about not be inclusive in a intentional way, like when refiner214 says: "I for one don't see a need for pronouns in a game that shows male homosexuality as its main selling point." so trans and enbys should accept playing as male or female and don't ASK for more options, they weren't even complaining, just ASKING...