The world has far exceeded it's quota of humans beings. We have no room or time for people who at actively working against the betterment of society.
Which is why the death penalty is appropriate for violent criminals. Of course the evidence needs to be strong to make sure its the right person getting removed. Not hard to to with so much video footage everywhere these days.
"Money doesn't exist in the 24th century, the acquisition of wealth is no longer the driving force in our lives. We work to better ourselves and the rest of humanity." - Jean-Luc Picard