So it seems that, now that Threads is federating, the most popular person in the fediverse is... Mark Zuckerberg:

https://mastodon.bsd.cafe/users/release_candidate/statuses/112140845317198247

I find these "popularity contests" pointless, ridiculous and inherently toxic, and a signature of private social networks where the goal is not to help people communicate between each other.

This is the reason why #snac does not propagate how many followers nor likes a person have.