http://culturecrossfire.com/music/but-w ... f_Z9qy5F-w
The ability to switch at a drop gives him the ability to ride any type of beat. This skill set makes him the most versatile rapper in hip hop today. That same ability is also why he may not appeal on a larger mainstream scale. Most rappers stick to one formula in order to please their fanbase, and maintain a level of consistency. When that rapper steps out of his comfort zone, or decides to push the boundaries, some fans may be turned off, which is what happened to Kanye West after the release of Yeezus.