[1]: https://en.wikipedia.org/wiki/Blocking_of_Twitter_in_Brazil
[1]: https://en.wikipedia.org/wiki/Blocking_of_Twitter_in_Brazil
You obviously wouldn’t let people outside the organization register an account, but anyone can read, and if you want to comment or follow, sign up to any of the free federated servers.
It's not the software that's hard. It's the moderation.
Pure text like Hacker News is a safe zone from this kind of crap. But multimedia sites like Twitter, Threads or BlueSky need to deal with the filthiest content and sanitize their servers. Even as their members complain about borderline not-a-child porn just a petite lady who is over 18 (yadda yadda) flame wars. Moderator teams grow tired of that bullshit.
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Ex: it's not Twitch that's hard to make. But instead the difficult thing is effectively moderating the hot-tub meta, as streamers like to call it.
In the context I think we're discussing, you deal with that by controlling who has accounts on the instance, not by policing posts one by one.
If so, you'll be policing the replies. And those replies can potentially be coming from across the Fediverse from other servers.
I'm guessing Hacker News is safe because of the context and the small size. Other text-only forums I've moderated in the past have needed plenty of moderation for various horrible stuff that's been linked. And links we have on HN as well, but it doesn't get nowhere near as much misuse as I've seen in other text-only places.
That's the thing: if a link comes from Facebook, YouTube or whatever, you know it's at least passed the first steps of moderation.
I'd expect that constantly posting links to OnlyFans or other riskier sites will get you flagged or banned around here.
Now, you've just moved everyone to hosted Mastodon, and why not make it even easier - instead of hosting multiple mastodons, just make one single mastodon everyone signs up to... and we've just reinvented Twitter.
The main TV news program in Brazil (Jornal Nacional) is now promoting their bluesky. There is no real comparison.
It took a lot of Brazilians (and their love of Lewis Hamilton) to make that change.