MMIX is created by Prof. Knuth purely for expressing his algorithms. Back then C++ and Java were the latest, hottest sh… (and would soon be outdated themselves). Prof. Knuth didn’t like C++ and general programming language fashion. So he invented MMIX. It was never meant to be implemented in real HW.
I don’t know whst’s wrong with the other CPU architectures you listed. I especially wonder why Sparc wasn’t used more.
I don’t know of an industry company who builds truely libre hardware. Only half-libre if you are willing to call it so.
Which region are you willing to work in?
I don’t think you need a particular order.
Windows -> GNU/Linux
KDE/Gnome -> JWM
TV -> Reading books
Twitter -> Fediverse
Coke/Cola -> Tea/infusion
Amazon -> Local bookshop
I myself eat less meat and plan to finally reduce it to zero. And I think it matters both for the environment and the animals.
But how does plant-based diet reduce waste (as the diagram seems to imply)?
I like the diagram/picture with the two ladders.
I just stumbled over this project:
https://libre-soc.org/