Moderation in the Fediverse is a solved issue thanks to software like Hubzilla, and even Diaspora, at least for those who use them, because moderation here is based on empowering individuals with consent-based communications and access control.
Then Mastodon came in late to the game, got a lot of promotion from specialized online media for being "revolutionary" or whatever, but had and still has a total lack of consent-based communications and little to no ability to control one's own stream. That's alright, things can be fixed. However, instead of fixing those issues, it just invented a top-down superstructure of site-wide moderation and blocking features, making members even more dependent on site administrators. This strategy is not only horribly ineffective, but also brings back some of the worse characteristics of the big-tech world, incentivizing the very infrastructural dependencies and social thought bubbles the Fediverse is supposed to counter.
And that's only one of many things Mastodon broke when it's convenience focused, media-boosted, twitter-is-all-you-need growth took on the Fediverse.
Luckily for everyone, you're free to join the safe side of the Fediverse by choosing to host your account on a
Hubzilla server (or a
Forte instance for the more bleeding edge people).