I hope SEO can be expected to go extinct in the coming whatever and be replaced with "good content" approach. It is unfortunate that Google even addresses the shady SEO community boosting their might and glory.
Writing "good content" that you intentionally craft in a way to get optimal traffic from search engines is inherently search engine optimization, so no, SEO won't ever go away as long as there are still search engines.
There is this movement lately to call it "content marketing" instead of just SEO, but really, content marketing is simply an SEO technique.
