That sort of "art" is about how bulletproof the artist's ego is.
I wouldn't have the brass neck to pretend my chaotic garage was "art" or had some deeper, symbolic meaning.
Anyone could have "created" it. And it is not that no-one else would have been capable of envisioning it - just that pretty much everyone else's sense of perspective would nip it in the bud.
"Artists" like Emin don't hear that inner voice that says "anyone would have to be a mug to think this is any good". She's no different to an email spammer, in that regard. IMHO