From context, I don't think they mean the phrase literally, it's really just a shibboleth of the progressive political movement in the US, with connotations of a person going public about a facet of themselves they had previously kept private due to fear of judgement from others or similar negative repercussions.

Did you just actually compare coming out as LGBTQ and sexual identity to conspiracy theories? Come on, you can do better.

No, I did not. I am saying using language improperly invites the wrong kind of conclusions. Please respond to the strongest possible interpretation of my comment.

I have trans friends. We get along. I do not hate people for choosing an identity. That is silly.

I could get into the futility of binding ourselves to an identity (any identity) and how it perpetuates suffering but this is not the time or place.

I think it's important to also point out that comments like yours, drive-by tweet-sized derision, directly feed the outrage culture humanity faces today.