GMAT Critical Reasoning (CR) | A controversial program rewards prison inmates

hi mike
i have a question here
what exactly is the argument here?is it that the surgery clearly has a powerful rehabilitative effect OR is it Putting these moral issues aside, however, the surgery clearly has a powerful rehabilitative effect ?

i am asking this because if the argument is aboutwhether the surgery clearly has a powerful rehabilitative effect then i can realize as why E is an answer; however, if the argument is Putting these moral issues aside, however, the surgery clearly has
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