jointhefediverse.net seems to be a commonly linked resource for directing people to join the Fediverse.
Curiously, it does not list Lemmy under the list of Reddit alternatives. Their GitHub README explains why.
Previous relevant discussion: https://lemmy.ml/post/78808
It’s okay, I see your account is quite new, so no worries.
As I said, those issues are known, you can have a look at !yepowertrippinbastards@lemmy.dbzer0.com for posts complaining about power tripping mods, be it lemmy.ml or elsewhere.
The key takeaway is that even with its flaws, Lemmy is the biggest Reddit alternative by far (Discuit has less than 200 weekly active posters, Lemmy has 42000). If there would have been a better alternative people would probably have moved there, but there wasn’t (and still isn’t) any, so here we are