The behavior of federal prosecutors in the Aaron Swartz case wasn't anything unusual. The same holds true for the case this article speaks about. Piling inappropriate charge upon charge to coerce a plea deal is standard operating procedure. This stuff is happening every day and has been happening for a long, long time.
As for the sentencing, there are rules that we can apply to get an idea of what to expect. The federal sentencing guidelines have a bit of flexibility, but not much. These people probably have a criminal history level of I under the sentencing guidelines. The sabotage charge has a base offense level of 26. The property damage charges each have a base offense level of 6. I'm guessing the property damage charges would be considered a part of the sabotage charge, so we'll just stay at 26. That yields a sentence of 63-78 months. I'd be seriously surprised if any of them get more than 7 years.
As for the sentencing, there are rules that we can apply to get an idea of what to expect. The federal sentencing guidelines have a bit of flexibility, but not much. These people probably have a criminal history level of I under the sentencing guidelines. The sabotage charge has a base offense level of 26. The property damage charges each have a base offense level of 6. I'm guessing the property damage charges would be considered a part of the sabotage charge, so we'll just stay at 26. That yields a sentence of 63-78 months. I'd be seriously surprised if any of them get more than 7 years.