As someone who was originally part of the Voat migration, I was very skeptical of the move to fediverse precisely because of how Voat ended up shaping up to be. Hell, part of the reason I'm on kbin and not lemmy is because of the huge pro-Russian presence on lemmy.ml. Not all of us who migrated to Voat during those days were bigoted, or had actively hateful views towards certain groups of people, and early Voat wasn't a total right wing cesspool. I simply wanted to support a grassroots platform that promised to provide an alternative to what was then becoming a highly centralized platform. Ultimately the worst of the worst won out over the reasonable people who were there, and the myriad of technical failings on the web host's part made us regret being there, and it's ultimately why I abandoned the platform.
I still fear that happening with kbin, but because of the different circumstances of the current migration, the nature of the fediverse, and the more diverse make up of people on this site, we are at least in less danger of the crazies running the show. My biggest fear is this site failing on the technological front, as there are still many aspects that feel unfinished, and with the recent situation on lemmy.world with user LMAO, there are still a lot of fundamental problems with the site that could be its downfall if not swiftly addressed.