Maybe he just has a problem with cell phones. If she went to law school and her phone rang during her bar exam I'm sure it wouldn't have gone well for her. What about the one post mentioning that if a cell phone rang during the exam, the cell phone owner would be ejected from the exam and be given a zero? Is that too harsh? Relatively speaking, isn't being before a judge a little more serious than taking an exam?
"Maybe he just has a problem with cell phones."
exactly. It's his personal peeve. He's supposed to be representing the people of his state, not himself and his personal whims. The guy is a loose cannon.