If you look at it like that there were 6 times as many teachers and an equal amount of doctors. Don't blame a profession when the whole thing is fucked up.
I like the elephant and the burning at the stake idea let's combine them and go with the roman elephant over a fire burning to death in a super hot elephant over time. Sounds about right for those fucks
Don't know I'd it's been mentioned yet but there was a method of killing back in Greco-roman times that included putting people inside a metal bull and essentially steaming them to death. That would be appropriate for these people.
Im not going to post pics but heres a few ideas for child porn creators.
1. become this groups cellmate.
2. castration with rope, as is done with cattle, where the bits and pieces are tied off to prevent blood flow until the cells die and the dead ski rots away.