Not an open-ended question. Also, a dumpster fire in the comments. Locking.

She checked it out, didn’t understand a meme on WomensStuff, had me ask them about it, and was so put off by their responses that was the end of lemmy for her.

You're not even being clever here. You were banned from that community three days ago for breaking the rules. Does this "friend" live in Canada?

What does "the wrong side of lemmy" consist of?

Literally nobody I know IRL other than my sister uses social media at all. And my sister is exclusively on Imgur, like some kind of freak.

Yup. A fairly normie friend liked the idea of switching from reddit. She blithely assumed as a virulently anti trump Democrat, she was a lefty because that's what almost all of popular discourse would have you believe. I don't know exactly what she said or what came back at her but as she put it "I said something wrong and had a dozen people calling me a fascist, shit lib etc. Even reddit feels less crazy."