I'd say that to be offended by something you have to believe that things ought not to be that way and the fact that they are can only be a personal attack on you carried out by some evil forces. This is not too rational, so yes, most conservatives do not get offended. (Another reason could be that idea of loving thy neighbor as he is, not as you believe he should be.)
Definitely. Generating outrage is the bread and butter of outlets like Fox News, talk radio, etc. Sadly many left-leaning outlets seem to be pursuing the same model, because clicks.