kenkenken

It is not like ‘very limited’. But generally they are focused around modern Intel CPU, and can have issues on new AMD CPU. And it won’t work on very old CPUs without proper virtualization features.

https://www.qubes-os.org/hcl/ can hint on what Qubes will work better.

Also see the system requirements: https://www.qubes-os.org/doc/system-requirements/

Probably, yes. Qubes AppVMs don’t run the whole DE inside it. Also, Qubes uses automatic memory balancing for VMs, so users doesn’t need to care about it much.

https://www.qubes-os.org/doc/qmemman/

Yes, they should ideally. But it’s hard to properly implement them in a way that will guarantee anonymity and be sybil-resistant at the same time.

An offtopic but federation is not working on fedia.io right now.

But the majority of distros provides it as a default choice. FF for Linux is like Edge for Windows.

Right now statcounter shows:

Firefox: 2.74% Linux: 1.61%

No.

Mastodon mindlessly copies big “horizontal” social network services, but they rely on algorithms a lot. Without algorithms, I think that platforms with categories and communities are better. That’s why before the major social networks, forums were quite popular for discussions.