Some people take great pride in their command of language, so when the language shifts, they’re no longer in command of it and they become resentful. A lot of times the people who are least able to be facile with these sorts of things are writers, journalists, people who are very proud about how they express themselves. They can feel vulnerable and become resentful and under attack, because this is a thing they’re proud of.
Article source: https://www.huffingtonpost.com/entry/justin-vivian-bond-pride_us_5b27d478e4b0f9178a9faa5b