The Fediverse - especially the microblogging side of it - has deep issues when it comes to environmental sustainability.
And the high resource requirements, which result from an incredible level of redundancy, aren’t just bad environmentally: they make running a server more costly, and increase our reliance on Big Tech’s infrastructure.
I wrote about all this, along with some suggestions for how we can improve things somewhat.
Honestly I think a single user instance should be lightweight enough to run on a Raspi. Even having multiple. A lot of them don’t need their own frontends either. Can just use an app