It is lemmy essentially. By far most communities, users, and a single point of failure in essence. That makes is quite good for getting it technically correct however, the best kind of correct

Reddit took many years to build that reputation. And earned creepy badges along the way. I’m not saying the fediverse doesn’t need to do it, but let’s not be in a rush. We have technical challenges, and a lemmy.world, and a .ml problem before we’re ready for the big leagues

And being niche is fine for now, email was tiny for decades