I'm not sure if you were really asking a question or complaining but they had warned us and had added that to the TOS. Here is the admin notification when they were taking the actions. Take a look so that your new name doesn't get removed.
https://similarworlds.com/100-Admin-Announcements/3275715-NSFW-Removal-of-Inappropriate-Usernames
Good luck choosing a new name that describes you.