alt Hacker NewsPC games tend to be the reverse: they demand control over the machine, in order to try to detect or prevent being run alongside various forms of cheating software.
They also need low-latency access to the GPU, which I suspect is a fertile vector for privilege escape exploits.
Only a relatively small (but popular) subset of games use anticheat. Most games -- including the one in this article -- could theoretically run in a sandbox.