Calling Eugene Mastodon's CEO is kind of a threat. Granted he is Mastodon GHmb's CEO, but by no means is that what most people think of as mastodon. Then again he's let the #twittermigration go to his head.
Thankfully I haven't seen this, yet, from the lemmy.ml guys, the fact that lemmy.world is already bigger probably helps that too. (Well that ant they, allegedly, anti-capitalists).