[stfu]

This is a quite realistic concern. There is a story going around from Germany were smaller online shops were the targets of link-blackmailing. If they refused to pay certain "fees" they were hit by massive amounts of destructive links, i.e. those with "sex", "viagra" or "porn" keywords. Some shops indeed refused to pay and promptly were loosing massive amounts of traffic/customers. Here is the original story, unfortunately only in German: http://www.golem.de/news/google-ranking-wie-ein-erpresser-ei...