It's as if the author writes content to /please/ Google. There are other players in town that will spread my message wide, other than Google. Google is a single point of failure too. If most of your traffic relies on a black-box algo developed by Google, at some stage you are going to be butthurt by that algo. Others will celebrate their success at gaming Google's algo and getting good rankings consistently, but these people are mostly blackhat SEOs probably trying to peddle cialis with a cheap discount.