After a month I bring a good news.
118 karma · joined January 17, 2023
From all I tested, it offers best synergy for all I wanted. Biggest package repo, every problem is nicely searchable and has nice community.
I think I need to address the many comments about my qemu/kvm rant... I think my experience could be best described by the user asciimov in his comment. I don't know what I do wrong, but I always get some error messages and barely make the virtualization work. Never even get to network the VMs.