[thefreeman]

You are totally missing the entire point of this article. People are abusing these techniques to de-rank their competitors.

Perhaps in your specific example, these links are old enough that you can be sure that they were originally done for "seo" purposes. But in many situations that is not the case.

Also, you are completely ignoring the possible situation in which a website was bought by an "ethical" company and now they are trying to clean up the misdeeds of the past.