this post was submitted on 20 Oct 2025
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but that’s a compromise… it’s not categorically better
you can’t run a bank like you run distributed instances, for example
services have different uptime requirements… this is perhaps the first time i’ve ever heard of signal having downtime, and the second time ever that i can remember there’s been a global AWS incident like this
and not only that, but lemmy and every service you listed aren’t even close to the scale of their centralised counterparts. we just aren’t there with the knowledge for how to build these services to simply say that centralised services are always worse, less reliable, etc. twitter is the usual example of this. it seems really easy, and arguably you can build a microblogging service in about 30min, but to scale it to the size that it handles is incredibly difficult and involves a lot of computer science (not just software engineering)