If you see any memes saying “There are more than two genders #DropTheB” floating around, it’s a false flag operation from /pol/, and it’s meant to start outrage and infighting within the LGBTQ+ community.
A few screencaps of it can be found here.
[CW: Homophobic, transphobic, and antisemitic language.]
ps here’s the artist of the original work that 4chan stole and edited (its the one i’ve seen most going around). pls go and support them!