You can pay all kinds of things with BTC. For example one of the better known Cloud providers accepts Bitcoin. Probably others as well ( didn't check ). That looks like real use case for me.
Is there any advantage of it over alternative payment methods for that use case though? I'm guessing none of the better known cloud providers are accepting customers without identification of some sort so the pseudonymous bit disappears? I suppose you're keeping another payment provider from knowing about you using their service, but that's probably also not an issue with a better known cloud provider.