Google, where the market leader in the field of search engines from yesterday to today, is of great importance to the quality and relevance of search engines. Most, especially now that the company is public property. For shareholders and users satisfied with their engines, the quality of results returned are extremely important.
For the same reason, do bad things in the Adsense and other forms of advertising, whether intentionally or not, is a severe sentence, in May, prohibits you and even your account terminated. Nothing beats a good measure to find the perpetrators of doing the same things repeatedly.
Ie for those who think, for a career in Adsense, do not you think that strategies to be used for further gain. We look at a number of things before they really get involved.