Doesn't seem like there needs to be unity, just that things from the OS are handled in an OS specific way, but things not specific to the OS are handled in an i

Doesn't seem like there needs to be unity, just that things from the OS are handled in an OS specific way, but things not specific to the OS are handled in an identical way. Seems like container systems like flatpak deliver this. If google chrome flatpak was supported on all OSs then it wouldn't particularly matter to application developers that there were 200 flavors of linux around.