Keypress duration is likely much less than 300 ms, top Google result claims 77 ms on average. And that’s down and up.

I see it being in cache already as sort of game playing, i.e. we can say anything is instant if we throw a cache in front of it. Am I missing something about caching that makes it reasonable? (I’m 37, so only 18 around that time and wouldn’t have had the technical chops to understand it was normal for things to be in disk cache after a cold boot)