I think we can agree there is a difference between a system of justice (punishment of murder by death) and mass murder by a regime such as the Soviet Union. Beware of relativism..
My statement had nothing to do with the distinction you make. I simply cited that Berdyaev presents a Christian theological reason for being opposed to capital punishment and the fact that he developed these ideas in the Soviet Union was important. The fact that there was mass murder was important but had only a tangential affect on his theology. As I said in another post any attempt I'd make to paraphrase his views would only result in a distorted oversimplification. You may want to read his views yourself to get a clearer view of the matter.