Yes, lost among the many people rushing to comment here is context about a real dynamic that exists in some faux-inclusive, usually queer or queer-adjacent but

Yes, lost among the many people rushing to comment here is context about a real dynamic that exists in some faux-inclusive, usually queer or queer-adjacent but not trans-friendly, spaces. People will advocate for singular they, solely so they do not have to use "he" or "she" for trans people, playing a shell game to misgender people while claiming not to. It's fine to use singular "they" to refer to anyone. It's fine to write avoiding pronouns. But if you only use singular they when referring to (even specific) trans people, or only avoid pronouns when referring to (even specific) non-binary people, that's just being coy about your transphobia. Whether that's what happened here, I suspect we will never know unless all relevant logs leak - neither side has much to gain from in going into subtleties like this.