(Bolded by me)
It sounds to me like Matt is reinforcing what we already know. (without saying it) If you want your opinion (aka your web page) to be of relevance in the Google search engine, you have to earn it by building a relationship with Google. Only then will your "Opinion" (mentioned several times) be taken serious.
- Join Google+
- Create an Authorship profile to build your authority. (link [google.com])
- Relate your profile to your site. (claim in WMT)
- Build reputation and make your opinions count.