The Vox article[1] by Amanda Taub is substantially better than either the deBoer's or Chait's articles (an article, by the way, that deBoer seems to entirely miss the point of) in that it correctly identifies the term "political correctness" as _a thing people only ever complain about_; it's not a thing that "the left" wants. > people pushed out and marginalized in left-wing circles because > they didn’t use the prop…
That's not true. It absolutely is an organized strategy by the left.
Anti-oppression activism is founded on social constructionist theories. These claim that bigotry and prejudice are subtly reproduced in society through language. So activists are scrupulous in cleansing their speech of any hint of prejudiced beliefs, no matter how minor, because they believe that if they can accomplish that, prejudice itself will disappear.
But people who aren't activists are also reproducing prejudice through their speech, so the problem becomes how can you get all of them to stop doing that too. The answer is to make it morally unacceptable. Minor phrases like "man up" turn into huge ethical lapses that are worthy of censure and shaming.
Not using those phrases become matters of empathy and not being an asshole towards unknown persons who are offended. But really, no one is offended, it's just a tactic for redefining linguistic norms.