It never hurts to consider a viewpoint other than you own. After hearing it out, and weighing the evidence pro/con, then revise your viewpoint if necessary.
I don't have a problem with those who don't agree with me, but I do have a problem with people who don't agree with me who keep harping, and harping, and harping over & over the same few points.
I mean - we get it already - getcarter & a few others have a different set of ideas. Can we move on now?