Decentralisation doesn’t necessarily mean federation (the source of “unsynchronised servers”), though. RSS/Atom is still a thing (and more widely supported than ActivityPub).
The only issue for microblogs is needing multiple accounts for comment sections, which can be solved by SMTP, anonymous guest posting, social login, or WebMentions (which I don’t really like due to the complexity and federation, but thought I’d mention).
The only issue for microblogs is needing multiple accounts for comment sections, which can be solved by SMTP, anonymous guest posting, social login, or WebMentions (which I don’t really like due to the complexity and federation, but thought I’d mention).