i understand but i disagree in taking single cases where it doesnt work to justify changing it, i believe we ought to compare and look at systems as a whole. for example, it could be that with this system, x number of innocent people will be executed wrongly, but with the other system >x number of innocent people will perish at the hands of killers(just bear with em here

) then which should we adopt? bearing in mind concept of justice should extend to victims as well.
this kind of reminded me of this