Also happening recently, Eugen Rochko @Gargron, the developer of Mastodon changed the sign up process, ostensibly to make it simpler, such that people now are funneled onto mastodon.social (m.s) unless they select a different instance. This has been the source of some concern that m.s will be oversubscribed and be vulnerable to hacker attacks, as well as performance issues. Some regard the concentration at m.s as anti-Fediverse in principle.
@Gargron People point to the issue of "too big to defederate" as a reason that large instances like m.s are a bad thing. The logic goes that if bad actors are left unchecked then other instances can not simple defederate m.s because that would block too many other accounts. It is certainly true that it is not really possible to defederate a very large instance so large instances have a big responsibility to police themselves.
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#moderation