Movie critics, wine connoisseurs, jazz heads — these expert analysts set the standard for what's good, bad, and kitsch.
But what's popular is social. Trends are the result of the wisdom of crowds. The problem with the masses though is they're usually wrong. Marketing serves them repetition.
Taste is a property of the mind. It's individualistic. You can't impose it. We relinquish our individuality when we outsource our taste to tastemakers and crowds.