> and are not attempts at stock price manipulation or some kind of investor scam

Why isn't he working on stuff in a full open source manner like Linus of Linux did back in the day?

Also , let's assume you are in it to solve the problem and believe that the for-profit model is the better than opensource ...then why not live modestly like Warren Buffett?

Guy knows what he's doing. He wants to be famous and rich and surronded by yes-men and yes-girls.