I'm using it ironically. I know it isn't a word, and that Americans are butchering the English language. I do it for the same reason as clapping at the end of a movie in Europe; it irritates loud and opinionated people.
Well... Your theory may be actual truth, BUT. By judging every artist that takes picture this way you may hurt them in the process, even without wanting it.
I'm sure you can relate lol.