Mike’s article suggests that a lot of the old-school SEO tactics are no longer important.
As far as my own experience goes, links and end-user behavior are the important, upwardly mobile components for decent ranking. So that’s where I’d rather focus my own time and attention.
My thoughts? There’s enough evidence to support Mike’s theory – if you have a great site with quality inbound links, you can be #1 on Google without changing any “content” (as proved by “miserable failure“). I’ve also seen enough evidence that proves a site can languish outside of the Top 50 then rocket to #1 with some changes to on-page content and no changes to links (although, changing a keyword in the meta-tag is not going to be enough).