Let's be honest, there's never going to be a way to categorize the list that satisfies everyone. For example, I'm fine with trans women but others don't care for it. Hell, some get obsessed in a fetishized way and others get obsessed in a pissy, stand-offish way. Lock those two in a thread together and watch the mods weep! It's much better to just have (somewhat) broad, overall categories and individuals self-select from there. The current criteria are fine, tighter than the lesbian tag on its own and anything more specific can probably be found out in the games' individual threads themselves.
My preferred method is to go by developers first. Find someone who does it right and follow their work output religiously. Then again it's not very good since I've only got
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We're starving out here