Everything he talks about is subject to the old YMMV rule, except the last part about entrepreneurship - there isn't a single entrepreneur who walks away from t

Everything he talks about is subject to the old YMMV rule, except the last part about entrepreneurship - there isn't a single entrepreneur who walks away from the experience of starting a company unchanged. Success or failure, you're guaranteed to be a different person afterward. It's really not a bad deal :)