The whole discussion on popularity versus quality is almost always summarized by the majority of people being tasteless ignorants who will be fed crap and will accept it happily because they don't know better
How come New York Critics have different standards than Cali Critics. How come Cultural Standards change throughout history
After certain level of quality you can argue on subjective levels
If it's false then how come so many cultures have different ideas about art.
(And more usually than not, defended by those I mentioned on my first line).