Because a line should be drawn somewhere.
You use he in "He said", should you not be more careful about your gender assumptions? Are you sure they won't take offense?
You use he in "He said", should you not be more careful about your gender assumptions? Are you sure they won't take offense?
2) Even if I make a mistake, I think it's fine to apologize, say I didn't realize (and not repeat it with that person), and move on.
It doesn't have to cripple me into not being able to speak... we're all reasonable people.