It's rarely talked about, frustratingly. I didn't find Beehaw through articles or suggestions from people online, which I should've been able to do - I just found it because I have a friend into the fediverse space. Pure luck.
Imo the creators of third party apps should be talking about moving to alternatives (not moving their own apps, if they can't, but just being voices for it).
to be fair, reddit strung them along and made them think it was all smooth sailing until about last week. The devs have to figure out what they even plan to do before they can start announcing plans. And there aren't any real fully developed apps yet from what I can tell. I think, given some time, these developers may move their apps over or create new apps
It would've been very powerful if there was a remote consensus on where to setup shop during/after the blackouts rather than framing them as a wholly temporary thing. I completely understand that that would've been tough, but imagine if Lemmy/Beehaw/whatever else was mentioned in all of the Subreddit messages about closures.
There is a mention of the tracker though and the tracker has a link to lemmy :D it'll get anyone who's interested in how many sites are down (its not perfect but its something)