being caught is less likely than being caught in a system that punishes you no matter where the crime was commited.
Exactly, it doesn't make any sense. It would not stop crimes of passion, or crimes by someone who actually considers themselves immune from the law. An average Earth mobster would have shot all the mediators and be running Edo in a week.
The whole episode simply shows a world with a light variation on the old utilitarian idea "the death penalty fro double-parking" which even utilitarians know to be impractical, and then after 45 minutes points out... "its impractical and unfair".
Though everyone knows this episode sucks ("we can run can't we!!" yuk
) so I think I'm digging too far.