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
I’m not new to the Fediverse, so yes, I’m aware of that, and also of the drama that comes with defederation (lmao)
Or in other words, they’re much less likely to just shut down without notice.