As a blackhatter: pretty much everything he says applies to whitehat and as such it should be considered good practice. Which means you should pretty much do the exact opposite, i.e. spam links, buy links, spammed forum posts, spammed blog comments, the works. Pros: you'll end up ranking fairly fast, with the right combination of backlinks. Cons: you run the risk of getting your site fucked by Google, should they implement filters that devalue or nullify the effect of the blackhat type links. As a whitehatter: pretty much everything he says applies to whitehat and as such it should be considered good practice. So if you're looking to rank safely for the long-term, whitehat is pretty safe. Pros: while no one can ever say with certainty that you're 100% safe, it can still be argued that you're significantly safer from algo/filter fluctuations than if you were be employing blackhat techniques. Cons: by the time your site ranks, blackhatters will have eaten your lunch many times over.