The same way people I gun down in games have no idea how I could have heard them so far away.
The alarm didn’t have any warble, and it started just as I’d entered a new level of a space-station. The high pitched wail sounded plausible in that environment.
A horrible design, but a plausible.
Fox keeps the volume on his games so high I can hear it clearly through his headphones. No idea how he can stand that.