I'm currently unconvinced either way on this matter. However, enough arguments have been raised that I think this is worth the time of every reader to think a good deal about.
http://nothingismere.com/2014/11/12/inhuman-altruism-inferential-gap-or-motivational-gap/
As another data point, emotional manipulations tactics are HIGHLY counterproductive against me. I dislike being emotionally manipulated and when I see attempts to do so my attitude towards the cause worsens considerably.
Can you name three cases when you changed your mind on something important as a result of someone convincing you, by any means.