I thought this was a terrific article but you won't be able to view most of it unless you have a WSJ subscription. It's very long otherwise I'd copy and paste here. It's worth the read if you have access.
https://www.wsj.com/articles/bill-f...lacks-visionand-that-he-can-fix-it-1502215263
https://www.wsj.com/articles/bill-f...lacks-visionand-that-he-can-fix-it-1502215263