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
Yes, I guess for tech people the political stances are irrelevant, they just want the most active communities
Having access to the devs via !lemmy@lemmy.ml and !lemmy_support@lemmy.ml is probably why