Isn't this exactly the use case for which flatpaks are designed? Isn't Redhat/Fedora in the process of adopting them as the primary way to support third party/p

Isn't this exactly the use case for which flatpaks are designed? Isn't Redhat/Fedora in the process of adopting them as the primary way to support third party/proprietary graphical apps like Steam? Doesn't the current Steam flatpak avoid this issue? TLDR; isn't this already addressed?