The problem is that the someone who's kidney was talen was in no position to understand what was being proposed. Giving a couple of hundred rupees to some unsuspecting illiterate person and taking advantage of this person's complete ignorance of the human body's organs and functions can only be classified as a crime. It's when people with a way of thinking similar to yours start believing and accepting nothing is wrong that the limits of common decency are broken and speculation of human life is accepted leading to the loss of moral conscience and values.