Is Google trying to set new SEO Trends or was there such a demand on Google to share a little bit about how its algorithm works? Either way, Google has published is own SEO Starter Guide for the general public.
For most of us this is old school daily tactics, but for others it will open your eyes to the fierce competition that is out there competing against you and your site.
This is a helpful SEO Reference Tool produced by Google. If the #1 Search Engine on the planet makes suggestions, I would definitely apply what you learn.