We first see and maybe feel and think as an afterthought. That is how humans work. But even worse is when we think we know or imagine and an automatic system creates a new view as something we see. That is usually a shitshow picture created by our guts. But it is quick. Our emotions react on it before we even had a chance to check if it is real. So just knowing about plastic surgery is often the same as if somebody shouts: run! run! run! But all there was is a removed wart. "Shallow" is not a good description of that process. It replaces factual knowledge by a judgemental stance that is equally false. The first blames the person for the surgery and the second blames the beholder for an assumed prejudice. In neither case do we ask the person what they went through and the other person why they are obsessed with ultra big boobs which have to be "natural". After that we can make it to the front page of The Sun. ;))