In case of Graham Ivan Clark, I guess the punishment was just. He was 17-years old at the time of the crime and spending 3 years behind bars is going to be a harrowing experience for him. On the other hand, Ross Ulbricht got two consecutive life terms (plus another 40 years) without any chance of parole, for setting up an online market place. As icopress explained, the decision to handout such a harsh punishment was a political decision.