Methamphetamine is a hideous drug. Meth makes a person become paranoid, violent, and aggressive - making them a serious threat to society and law enforcement. And maybe more importantly, meth users are a threat to their own children and families.
The problem with not having a camera is that one must trust the analysis of a reporter who's telling you what occurred in the courtroom. You have to take into consideration the filtering effect of that person's own biases.