trying to get rid of python2 on pi which takes up lots of storage, relatively speaking: https://gist.github.com/e0082cfacacb2a29329782be53604255 https://gist.github.com/adac7eb7ced1bb36610c6c8cce9e29a9
I suspect qemu uses python unconditionally as part of the build process. python-r1.eclass would probably throw an error if the ebuild tried to call python_setup with no python_targets enabled. This is probably a CANTFIX.
Python is used in the build system :-/