- almost every classic console is easy to emulate
- most modern consoles are, less-legally, emulatable
- we have thorough archives of Flash games and ofc almost all non-flash web games are still functioning
- cross compatibility across OS's has never been better
And, best of all, almost all of this is achievable on Linux! You can also plug in almost any controller, VR headset, or monitor/projector. Remote gaming has also made incredible progress allowing gamers to access their expansive libraries while not even at home.
In fact, I can't think of a single thing a console can do that a PC can't