Sure.If people really thought racists, misogynists, "homophobes", etc, were just retarded and had no point at all, they would never lash out like that.
Imagine if someone kept posting that 2+2=5. No one would care, people would just say "retard" and move on. But they care about politically incorrect opinions about race, women and faggots because they know there is truth to it, a truth they don't want to accept.