This kind of reasoning leads you to reasoning that if he was an ineffective fraudster, it would be less moral, as he would have bought less mosquito nets. So it

This kind of reasoning leads you to reasoning that if he was an ineffective fraudster, it would be less moral, as he would have bought less mosquito nets. So it’s not only moral to do fraud, but you most extremely competently do fraud. I think this being a reasonable utilitarian point to make is not a point in utilitarianism’s favor.