maybe?, but wihy others didn’t get hacked at the too?, maybe was social engineering, or the admin got their credentials compromised, we can’t be sure yet
Others did get hacked, or are vulnerable to it, but aren't big enough targets?
Beehaw is closed, so they would have had to have an existing account to exploit the same bug (or go through something like Kbin), and Lemmy.world is the biggest Lemmy instance.