It's not a political issue if you want to force distros to move their entire packaging infrastructure to a backward incompatible format that might still not be

It's not a political issue if you want to force distros to move their entire packaging infrastructure to a backward incompatible format that might still not be compatible with other distros because they ship specific versions of some packages which are in addittion packaged in a very particular way. Switching to RPM/DEB/PKGBUILD is not a simple problem, because the problem isn't really which packaging infrastructure is used.