Last night I saw this bug on a chat and I decided to test it.
After I unbanned the user, he did not see himself reversed anymore, except me.
2. Uban the user.
3. The user will still be banned even after you unbanned him.
4. The only way to stop this visual bug is to refresh the entire xat page.
5. The person who gets unbanned wont keep seeing the bug, just everyone else.