I think lemmy just blew up overnight.So we have become a target for folks who might have never known we existed prior.Sooner or later, the project needs to attract some pen testers to keep ahead. Luckily the hijackers were not very malicious this time. But could get worse as we grow. We are all in for a bumpy ride and it feels weirdly refreshing.
Possibly also people coming here with the kind of hateful content that was acceptable on Reddit and getting downvoted & blocked/banned almost immediately