He was music's greatest modern individual entertainer just like Elvis and Sinatra before him. Are you going to trash them because they didn't play instruments? In fact, Jackson is more accomplished because he wrote some of his own stuff.Hadrian said:Spoken like someone who has never picked up an instrument in his life!
Some of the greatest artists in music history never touched an instrument and therefore weren't musicians. Get over it.
Jackson could sing loops around metal retards, especially if you're into cookie monster metal vocals.
Try writing a good original melodic classic pop song one day. You'll learn that it's more difficult than anything you've done musically in your life.