Yes, this is a TAAT, so do your worst.
'We don't usually delete whole threads but we do so when it is to protect a poster's privacy.'
Aah, poor wee poster got flamed bang to rights on an AIBU so you delete the whole thread? BASED ON WHAT? 
Seriously MNHQ? SERIOUSLY?
Which one of you is she related to? I can't physically roll my eyes back in my head far enough to express my cynicism and weariness over this.
What is going on around here these days? Who/what are you scared of, exactly?