I think that they are being forced to take their work home with them, something that goes against the premise of how they teach stress relief and coping in law enforcement Their only recourse is suing, so I dont see it as a greedy senseless act.
If the dept doesnt want to incur the cost then they wont have to read the emails. If you have bought into the notion that rank and file public workers are the problem then youve effectively taken the bait politicians have left out. The big fish get away while the front line get bastardized in the court of public opinion.