We have all experienced significant stress. You know, the feeling that you're treading water after just being dunked by more than a few unforgiving waves... and more waves are coming...and it's dark.
It's not quite on par with the 5 whys (heck, that's five questions, more or less), but "so what?" isn't far behind. It's a question that begs closure, as in, "what are we going to do about that?"