Firefox’s Enhanced Tracking Protection (Strict Mode) is known to cause issues on x.com
There were no “issues”; everything was working completely fine. This is a deliberate decision to force people to turn off tracking protection.
I saw a recommendation to use Firefox’s container extension https://support.mozilla.org/en-US/kb/containers, but it’s disabled in private browsing windows, and I always use private browsing windows.
Joining groups is actually what drives people into those conspiracy black holes because of the way the recommendation algorithm is designed. It will recommended you more and more extreme groups because they are what keeps people using the platform for longer.
maybe i’m just lucky cause all mine are ttrpgs, books, sapphics, and trans people.