tedster - 9:31 pm on Mar 13, 2011 (gmt 0)
Completely the case. Some of those million dollar verticals seem to be ranked by a completely different algorithm. But even so, the business of taking out your competition has certainly been thriving for many years.
In some verticals, I'd guess that more resources go into "disruptive SEO" than into straight-up marketing. I wouldn't want to be the one responsible for sorting all that out.