Mia

That's not what this Sub is about. From the original description

This subreddit is meant to discuss and laugh at toxic heteronormativity and Boomer memes; it is not a hate sub. Heterosexual people are welcome here and hetero hate is not - we're here to laugh, not hate.

You posted the same article multiple times in this thread. I don't know that magazine but Wikipedia says about the source

1819 News is an American far-right[1] news website that focuses on the state of Alabama.

Aren't there more trustworthy articles than a far right news site?

The people attending where mostly just cis men not non binary.

I don't know how you get the idea that suddenly lots of people start identifying as non binary when the event is open for men.