The full name of Mexico is “Mexican United States”. Not joking.

Imagine if one nuclear head was pointed to every megacorp headquarters in the US.

https://bugs.kde.org/buglist.cgi?quicksearch=KDE+connect&list_id=3042554

https://invent.kde.org/explore/groups?sort=name_asc

Or file a ticket in the official repository

Find the RSS viewer in Chrome or Firefox 😉

Open another channel and tell everyone that the main channel is the new one. And tell them how to join the new channel, step by step.

The answer (IMO) is to open another channel and announce it so people can migrate. And start using more the other channels, using each time FB/X a little less, until (almost) everyone has left FB/X.