Just how he behaved in the 1999 IE anti trust case makes a certain 7 letter word starting with an 'a' seem appropriate.
More on topic, this seems like the very definition of cargo culting to me. Why not just focus on what makes sense for your company? There generally is no simple catch-all solution, especially not to success.
Bill Gates is certainly ruthless when it comes to business. You don't want to come to him if you work at microsoft and your project is failing.
However I'm sure on a personal level he is very nice, and he is certainly doing a lot of good with his foundation.