LCDs are designed to filter out extremely specific types of light, and in a specific direction.
It's true that the changing optical properties of each crystal could affect the albedo, but whether white or black is more effective is beyond my knowledge. It might even be neither, but green instead.
Merit as a musician can only take you so far. In any creative career, the big famous artists aren't just good at doing their craft, they're also very good at making business deals to sell them. And even that's not always enough to become a superstar, you also need luck - your breakout/masterpiece needs to coincide with the latest trend, and preferably early in your career - a one-hit-wonder might be enough, but maybe not.