A movie about two guys kicking each other in the balls for an entire hour might become very popular with the public. But it's shallow, repetitive, and with no actual redeeming qualities.
The quality of something has only a small influence in its popularity. Critics are there to evaluate quality.
I think this is why remixes exist. For me, I often find the interpretations of others' works sometimes more interesting than the original - this is within music as well as other fields like art in the form of painting/drawing.