alt Hacker NewsGiven the choice between "These icons look a bit garish in a subjective sense" and "what abstract art piece describes the Pages app" I'd rather have the one that's still useful. One benefit of skeuomorphism was the level of detail, that's fully been abandoned along with the affordances that brought.
I've honestly never had an issue with using flat design. Or if I have, it hasn't been enough of an issue to remember. I don't mean this in a judgemental way, just that I legitimately don't understand why people care.