I'm just getting familiar with lemmy fediverse and trying to make my way through it after getting out from reddit. I'm trying out liftoff app for android and I'm seeing way more double posts from different instances from same users. Same content from same users on multiple instances. I thought fediverse supposed to, You post in whatever instance you are and it'll be shared among all instances. I'm more confused now.

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[–] MrGeekman 3 points 2 years ago

I wouldn’t call it totally unnecessary. There’s are a lot of topics for which there are communities on multiple instances. Sure, you could just post in in the community with the most subscribers, but someone on another instance might have an answer for your question.