> Or am I missing a read-between-the-lines that this event is really to facilitate successful Autistic people in flirting, dating, and relationships?

It's made by Aella, a self-described "probably autistic" sex worker well known in the LessWrong/Rationality circles owing to her nerd speciality turning out to be getting really good at doing large-scale sex surveys right*.

So, yes, I think?

* or at least, if you'll excuse the phrasing, less wrong.