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 would think so, given I’m actually replying, something the accounts with significant periods of inactivity or with simply no activity at all making upvotes/downvotes don’t seem to be doing.