Reddit's Enshittification and How it Affects D&D DMs and GMs.
This is a video that goes into brief detail on 'Chokepoint Economics' as written by Rebecca Giblin and Cory Doctorow, with specific context of how it applies to the D&D community.
I was a bit bummed to see that Mike didn't mention any of the Fediverse options but honestly Lemmy and kbin are still cooking as technologies so I don't exactly fault him. I was surprised to hear him skeptical of Patreon—the same incentives are there, surely, but I wasn't aware of any recent actions they had taken.
Replacing Discord will definitely be painful if/when it comes.