"If they ever want to have a “hypervisor” run above games, they’ll need to get a new CPU with full-blown virtualization capability (or an emulator), because games assume they have direct access to the CPU and most of the hardware."
Near-tautology -- the author described the two methods of virtualization he's aware of.
No... there's also paravirtualization. If a hypervisor is a part of the expected system environment from day one, then you can virtualize on the cheap, as Xen does for domU guests on hosts without virtualization-on-chip.
Near-tautology -- the author described the two methods of virtualization he's aware of.