It’s worse than this summary lets on. First, the moderator who was fired without notice, cause, or opportunity to reply was a volunteer. Any site that relies on the labor of unpaid volunteers, whether it’s a church rummage sale or Stack Exchange, better treat them well.
Second, the fired volunteer moderator didn’t disagree with the new pronoun policy! She said she agreed with the Trans Mandatory Goodthink Pronoun Ideology From Which There May Be No Dissent, but still had questions about how the new policy would be implemented in practice. See:
Finally here’s a non-apology “apology” by someone calling xirself Sara Chipps, which has been downvoted to -1075 by peeved Stack Exchange members, probably a new record:
What a mess.