It is wildly harmful and an escalation of monstrous practices to look at one or several unjust actions and/or sentences and declare that those who do worse than the person who was dealt out such a retribution should receive an even longer sentence.
If someone gets 10 years for smoking weed, the solution is not to put someone in prison for 20 years for punching someone.
On the same principle, noting that someone who punched someone got one day in jail is not a good justification for why someone shouldn't get two days in jail for smoking weed.
If someone gets 10 years for smoking weed, the solution is not to put someone in prison for 20 years for punching someone.