It's obviously the failure of the spec. Why cables with different capabilities have to look exactly the same? Put the looking aside, I wondering if anyone can t

It's obviously the failure of the spec. Why cables with different capabilities have to look exactly the same? Put the looking aside, I wondering if anyone can tell what's the exact differences between different specs? USB standards are already a mass, USB-C just made things 10 times if not 100 times worse.