[cbmuser]

What do you mean "it doesn't"? I'm maintaining Debian Ports and I build installer images for all old and obscure targets. We even have support for SuperH which Gentoo dropped at some point.

> https://buildd.debian.org/status/package.php?p=base-files&su...

> https://cdimage.debian.org/cdimage/ports/snapshots/

Installer images for LoongArch are in the works as well.