Unsubstanciated evidence is not evidence, it is in this day and age. Police routinely prevail in traffic court on only the word (speeding tickets). This is just a step further. This is part of the reason that many no longer trust the police.
Don't know about your state or area; but in my area the cops have video camera and the radar gun speed is displayed on the recording. This is evidence.
If there is no way for the Radar gun to imprint the read speed, then it comes into question. On the plus side, I have experienced several officers who have given me reduced tickets (87 went to 80mph) simply because I was polite and civil to the officer. Yeah, I was guilty, but having the policeman show a little mercy was appreciated.
So, I like the way things are done here; but in the article I have a lot of heartburn with the way things went down.