My cursory research, at that link, suggests that the answer is yes. “Anemia“? No results. “Hair“? 12, including several (supposedly) by the top guy at the Beauty Network. “Cancer“? 38, so far, inncluding three in the first page of results for the biggest spam giveaway, Mesothelioma. Search for anything. Watch the results.
If this is about a fight with Wikipedia, I’d say it’s no contest. But it’s not. It’s about the corrupting influence of pure scammy ambition. Even if Google doesn’t have that, it plays host to plenty. And Knol (born on 23 July) was barely out of the womb before it got infected with it.