If you didn’t learn anything from a TIL post, you can just keep scrolling. I didn’t know this fact and I was on Reddit for 6 years, until the API crap. Karma isn’t real; if you have a concern about the community’s quality, message a mod.

Are you only allowed to post a link once or something?

I actually prefer XMPP. It’s also less of a hassle to set up than Matrix and the protocol is much more mature. There are still issues, but it’s rather functional for audio and video calls (if you’re using a supported client).

Edit: For clients, I use Cheogram on Android and Profanity (which is a TUI) or DinoX (for calls) on Linux.