I know everyone likes to think Steve Jobs came up with the idea of focusing on a few very good products, but it's actually an old idea. "Indeed, the basic problem of U.S. competitive strength in the world economy today may well be product clutter." - Peter Drucker, Managing for Business Effectiveness , 1963 Sorry I don't have a link to the original article, I had to look it up in a book
No one thinks that. I, at least, have never read anyone who has made such claim. Where did you get the impression that that is a widely-held belief?