They are trying to convince us that the main thing is not the severity of punishment, but the inevitability. Let's turn to history. When the Europeans discovered the Canary Islands, there was practically no such crime as murder.
The criminal who committed such an act was not touched there, but before his eyes they killed the person most dear to him. In Alexandria, under the reign of Ptolemy 1, there were two prominent physicians, Geraphilus and Rozestrat. When the sick Ptolemy turned to them to heal him. They said that they could not help him much, because they did not know much about the human structure. Despite the fact that thieves and murderers are executed every day in Alexandria, it is forbidden to open them for study.
Ptolemy gave the go-ahead for the autopsy. And these aesculapians began to open up the criminals, and alive. After a couple of years, crime in Alexandria almost disappeared. But nevertheless, according to the main religious confessions, life is given by God and only he has the right to deprive it. All major religious denominations believe that life is given by God and a person has no right to take the life of his own kind. But there is such an option.
Do not indulge in amputation of all limbs of murderers and pedophiles. In this case, the person is, as it were, in an inner prison. The state saves on the maintenance of guards and the construction of prisons.
Modern medicine is approaching the possibility of regeneration of human organs and limbs. If there is a miscarriage of justice, then the accused can be mistakenly returned to the limbs. With the death penalty, it is impossible to return life if a mistake is made.