Earlier quoted context omitted.
Singular "they" has been around for a very long time, and used naturally without anyone noticing it as unusual, until recently when there's been more gender discussion and people suddenly realizing they were already recognizing genderless people without knowing it ;) https://en.wikipedia.org/wiki/Singular_they
> people suddenly realizing they were already recognizing genderless people without knowing it ;) Not true. It was used in the past to refer to an unknown person. I.e. "When a candidate arrives given them the test." You don't know what sex the candidate is before he arrives and instead of saying "he or she" you say "they". But nowadays people use it as a superclass of he and she: "I asked my boss for a raise but they…
You don't know why other people choose to use the words they do, yet you presume the worst and accuse people of being insincere and lacking virtue despite (and because of) their polite behavior, regardless of their true beliefs, when it's actually none of your business to police and judge their grammar.
I'd rather work with someone who purposefully signals they have virtue than someone who purposefully signals they're a sexist asshole, any day.