Black Hat SEO is bad or not you should avoid it anway, because it can get you banned from the search engines, or at least reduce your ranking. Google has been known to remove sites it felt weren't playing fair. Granted, this isn't likely, but why take that risk? Also, much Black Hat SEO involves some fairly technical work. If this article is your introduction to SEO, you likely don't have the skills to be a successful Black Hatter anyway -- at least one who doesn't get caught.