See preceding link for all the questions.
Besides being a means of accomplishing thought policing and making happily round ball bearings, it's a means to collect blackmail-able, or compromising, information on people.
"Have you ever criminally avoided taxes?"
Seriously who would shake in fear lest their neighbours discover that they had spent a few minutes in private rattling one off?
I don't think a blackmailer would get very rich specialising in the jerk trade.
Most teenagers get over their embarrassment, perhaps growing up in dormitories stunted his growth, sexually as well as in height. There used to be a rumour that it stunted a growing lad's growth. I wonder if he got a lot of lip about being short cos he's a wanker. If so it would actually mean in scn term that his TRs are out. Didn't everyone get bullbaiting on this?