This certainly does seem superfluous. Could whomever posted it at least explain the purpose for doing so?  It is interesting that you have complaints about the female butt images being possibly demeaning, or exploitive, and this and that and then someone comes right along and posts thisI'm intuiting that it's someone that was upset about the allegedly exploitive female images and now wants some type of "revenge".  Just stop the petty "ass" gender bickering, if that is indeed what's going on.  Anyway, this image does seem gratuitous (possibly exploitive)and probably should be removed.