The rule they broke is clearly laid out [1]. The practice of manual penalties is as well [2]. They outline a course of action on how to remove the offending lin

The rule they broke is clearly laid out [1]. The practice of manual penalties is as well [2]. They outline a course of action on how to remove the offending links [3]. How is this arbitrary? [1]https://support.google.com/webmasters/answer/66356 https://support.google.com/webmasters/answer/66356 [2]https://support.google.com/webmasters/answer/2604824 https://support.google.com/webmasters/answer/2604824 [3]https://support.google.com/webmasters/answer/2700611 https://support.google.com/webmasters/answer/2700611