Why do British people always write "xxx" after their names?

Read also:

• Why do I feel worthless most of the time?
• My parents force me (15yo atheist) to go to church, and there’s this thing called Small Sundays where we discuss the Bible in groups, there are questions asked about the Bible. What am I supposed to do when they ask?
• Is GATE tougher than JEE?
• Did another parent ever tell you something about your child that you didn’t know?
• Why does Christianity push reconciliation after a partner cheats? Mine had a 7-year affair with someone half my age. He cheated and lied. He is not the same to me.
• How effective will the Senate-passed bill, S. 4569, the Take It Down Act, which would criminalize the publication of non-consensual intimate imagery (NCII) be?
• Have you ever accidentally found out that you were about to be fired?
• Am I the bitch for never wanting to talk to my sister again because of something she said while talking back to me?
• While emptying a house, have you ever seen something in it that blew your mind?
• I'm looking for an answer from people who consider themselves "Gender Critical", or transphobic, or TERFs, and my question is this - Why would you refuse to use the pronouns someone wants? What does it cost you? Where's the harm?