Their jokes about assigning gender to babies and to being transgender, dressing in drag, like all of it was a send-up.
Sure, they did punch down if you were a person who were in those groups, but the fact that it was large enough social event to be relevant enough to be a comedy skit on a television show or a movie seen by millions implies that there were some serious things going on back then that they could see and wanted to address.
What the hell was going on that put all of those things in their mind?
To summarize: America is like 50 years behind culturally rhe rest of the civilized world. They already got the social issues we are currently dealing with sorted out
note the items i listed were for the UK. Americas stances on them are devolving.