That isn't really that evil compared to murder.verdant monkai said:2.Will steal from the very poor
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5.Would prefer to leave an enemy to die broken and mutilated rather than finish them off.
6.Is manipulative and willing to exploit the earnest and unaware.
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These are both highly common traits.
But to answer your question, absolutely.
Spec Ops: The Line has already completely proven that the relationship between player and character does not have to be positive in the slightest.
In fact, I think games need to have something like this in order to truly evolve. It's such a fascinating medium that has enormous amounts of untapped potential and it would be a shame to squander that in the name of squeamishness.