To be clear, I'm not urging another "read theory" struggle session. This to me seems to be about posting. Or maybe not? I guess we could have a struggle session about what it's actually about instead. And to prove I'm not one of the elite liberals, here's the link
My most effective tool for that is the "how does it hurt you to not use someone's preferred pronouns?" approach. Because it's really hard to come up with a negative answer to that that doesn't make someone sound like an asshole.
And people generally don't want to be thought of as an asshole.