I see most of the comments are about the fact Bill Gates doesn't need SEO. I believe the point of the post is to offer some case study of how to improve one's

I see most of the comments are about the fact Bill Gates doesn't need SEO. I believe the point of the post is to offer some case study of how to improve one's SEO. And I find it very informative. He makes his case study even more pertinent by choosing a well-known target, Bill Gates, but that's not the main point.