I'm a lot more afraid of someone who's decided it's time to "show them queers who's boss" with me as the target than someone who wants to keep that same person off Medium. There are ample publishing opportunities for bigots. Unlike refusing to serve someone at the only grocery store in town, one of a million publishing outlets refusing to take an article has minimal effect.
Relevant aside: the picture of the Nazi book burning often shown when talking about free speech was from a clinic in Germany that researched and supported LGBTQ people https://en.wikipedia.org/wiki/Institut_f%C3%BCr_Sexualwissen...