One important point was completely missed: it's not centralized like on usual systems.KVM does not require any root privileges so you can do that too: just run VM with your particular fancy feature and only programs in that VM will be able to use this stack.
Also, even if you have your own machine, using translators permits to run the VPN client as non-root.
And this is more important then the ability to use USB or Bluetooth handset because... ? Face it: all HURD goodies are only icing on the cake. And currently you don't have a cake. I mean: you don't have a system which can actually be used by real users on real (=buyable as new) hardware.
May be eventually HARD will reach this state, who knows. But I, for one, don't hold my breath.
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