>An even more important question is: why does Microsoft care so much about a handful of people using that term that they are willing to risk getting Streisanded over it?

Because the decision was made by some normal adult without mental health issues who hasn't internalized just how disturbed some people on the internet are?

It really shouldn't be unreasonable for moderators to try to maintain a professional tone. Although in this case they certainly picked the wrong platform if "professional" was what they were going for.