I don't think its mentioned in the version of the article you linked (good choice on the printed version to link, though): this article is from February 2007. It also focuses on the failures of ex-CEO Terry Semel, not Jerry Yang's current predicament.
Closing argument for the lazy: "At Yahoo, the marketers rule, and at Google the engineers rule. And for that, Yahoo is finally paying the price."
Though it sounds catchy. I dont think the last statement is true. Google is(was) known for its less marketing budget, comparing it with any company would seem the company overspends on marketing.
Closing argument for the lazy: "At Yahoo, the marketers rule, and at Google the engineers rule. And for that, Yahoo is finally paying the price."