The author complaining about Threads defederation from spinster was a pretty big red flag. It's on every mainstream mastodon blocklist I've seen and it's obvious he knows why. Really leaned into that "how can they discriminate against women!?" dog whistle that TERFs love to use.

Edit: Oh, it turns out he's married to the person who runs that server. He's also worked with Gab, used some of their code for his soapbox, and seems to have been involved with Trump's truth social. No wonder his feelings are hurt.