Three Dollar Quill

I figured I'd try making tiny posts during the vacation to keep posting something. I usually have the idea that I'm writing my posts in a way that is persuasive or informative, in the sense of having something to do with the relevant techniques. Not this time. This post is, in fact, shorter than this preface.

When is it right that one person acts as the arbiter of another person's gender identity or pronouns?

I ask because I see some people out there who have clearly decided that it sometimes is.