If it's so easy to put any old teen star in a music-centralized TV show and make them a megastar, why isn't Bella Thorne slaying? Where is Zendaya? What is China McClain doing? Why did Jonas's popularity actually shrink when they became TV stars? Why didn't High School Musical translate successful into music careers for Vanessa, Ashley and Corbin?
Either way, the "Miley wouldn't be anything without Hannah" argument is dusty and worn out, because Hannah did happen and Miley is still more successful than Selena. Yay!