Are people always like this?

[tetrapak]

This rule has sense ONLY to avoid people spamming but not in this case, imho

Giving relevant PR backlink to a competitor? It sure does make sense to me to avoid this.

 

[denny007]

Giving relevant PR backlink to a competitor? It sure does make sense to me to avoid this.

Besides you really overestimate this SEO crap, there is probably more links to DNforum on another forums than it would ever be here...