[lloeki]

Sure, security comes in layers. A trusted platform boot chain can validate the hypervisor much easily than a whole hard disk, and existing x86 instructions can do the rest. The attack surface is also quite a lot smaller. It's already miles better than unfettered access from the very same OS and anticheats being privacy-invasive rootkits.

Hardware support for confidential computing is cherry on the cake, but in this scenario the user is not trying to defend themselves against an attacker, the game is, from the user a.k.a the cheater.