People seem to believe all PC is an attempt of censorship - It's not, some things are just plainly incorrect, rude and disrespectful. Imagine if everybody in this society told the truth about literally anything they want (or are asked to)? I don't like green pants, so I see a stranger in green pants and I'm going to go over the person and say "Hey stranger, your pants are really horrible, you should burn them".
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you