Earlier quoted context omitted.
The funny thing is that Reddit completely inadvertently killed one of the possible heirs in Voat. That site had potential to steal the traditional Reddit audience due to Reddit's mismanagement. However Reddit's crackdown on hate on the site caused a big exodus of problem users to Voat. The end result is that Voat is now a vile alt-right wasteland that presents no threat of stealing Reddit's mainstream audience.
That's like how some online games don't entirely ban cheat users but only match them with other cheaters, giving them a taste of their own medicine. There's a tipping point in the evolution of communities. When there are too many acting in an anti-social manner such that fun or business is impaired, people quit. If not addressed the community permanently declines. There's a term of art in philosophy called universali…
Just for those interested in philosophy but lacking knowledge of the subject, this is technically correct but not the complete picture. The term "universalizability" is informal and not precise in describing Kant's morality; it falls under his categorical imperative.[0] I suggest the entire linked SEP article for a more thorough discussion of the topic.
[0]: https://plato.stanford.edu/entries/kant-moral/#CatHypImp