That "bias" is appropriate because of actual cost va value! "I killed five people and their families are out to kill you but your salary is 10% higher!" isn't w

That "bias" is appropriate because of actual cost va value! "I killed five people and their families are out to kill you but your salary is 10% higher!" isn't worth it even to a sociopath from the expenses. If their gains are small and their fuckups are large not getting rid of them is itself an immense fuck up.