This will be useful if you are trying to let multiple people share your computer remotely. If you are trying to set up personal game streaming for one client at a time, try Moonlight and Sunshine (more mature, easier to setup, works on any hardware).

How are Apple’s AirPods not “in ear canal things”?

While everything else everyone said is true, to some extent there has been code leaked or decompiled of internal iOS libraries. That code is sometimes used in things like jailbreaking iPhones or making jailbroken-only apps.

If by “adversary” you mean a hacker, secure software should remain secure even if your adversary has your full source code.