> Cache is super useful for making web apps available offline.

... until you find someone who has very low cache available. Or cache gets evicted.

Yeah, good point, it also doesn't help people when their cpu catches fire.

Maybe they should have put the line

The browser does its best to manage disk space, but it may delete the Cache storage for an origin.

in a warning box.

Or their computer breaks. Or their electricity cuts off. Or an asteroid hits them.

...things can be super useful without being flawless.

...that's OK.

My app works fine online or offline. If you're offline and you ran out of disk space and the cache got evicted, ok, you can't use my web app offline.

(And, if you're out of disk space, all bets are off. You're gonna have other, more significant problems beyond a guitar chord chart site not working offline.)

We don't talk about those people.