Seriously, this is the least of its problems, but it certainly hints at them: https://kbin.social/m/RedditMigration/t/554307/Just-wanted-a-warning-Lemmy-World-is-perhaps-worse-than-reddit

Basically, they don't even follow the examples they set in their Terms of Service and will not only ban but purge your entire comment account on a whim because they didn't like the criticism they said they were open to on a post stating that "users may express their questions, concerns, requests and issues regarding the Terms of Service, and content moderation in Lemmy.World." There's no doubt, they were pretty clear they considered the criticism "disagreeing with the terms of service".

Create your user on another instance and save yourself the surprise of encountering admins who abuse their power on a whim. That can be your entire account history down the drain, and the number of comments or the age of the account won't matter to them.