Being "politically correct" back in the day was simply to have more women and minorities included in everything, because the US is a melting pot and everything was dominated by white males and that is an inaccurate depiction of the US and world's political landscape. Thus "political correctness" , so if you are against it, then you are in support of white male dominance.
Today, the far right uses the fuck the PC culture everyone is too PC as a cop out to use instead of being blatantly racist or discriminative.
And that Miley Cyrus picture is out of context...the full picture she looks nothing like the character from the movie and the media said her bowl cut looked like Jim Carrey from dumb and dumber.