It enables only a small selection of RPM Fusion as your link shows, ofc flathub gets around some of the need for RPM Fusion, like video codecs, as long as every

It enables only a small selection of RPM Fusion as your link shows, ofc flathub gets around some of the need for RPM Fusion, like video codecs, as long as everything else your using is a flatpak (and uses the applicable runtimes).