Exactly. They do not have to ask for the full initial application pack. They could ask a couple of things to prove people still qualify for the Visa. 1) Money 2) ongoing activity either workaytion of soft power. It is not all or nothing.
If Embassies are asking then maybe Immigration will ask at entry points. They are the official gatekeepers after all. Easy enough to ask for booked courses and paid invoices?
Well if it looks like a complaint might be forthcoming it would be passed upstairs. The Head of Consular maybe. Ambassadors do not like formal complaints about embassies. DM me if you want to ask how I know :-)
I use AI multiple times daily. I very much doubt that was AI. If it was it is very good. I almost have mine speaking in my own and my brand voice. Takes a lot of training and good prompts.
Not the exact same situation as I was on O Retirement when I needed it cancelling to leave country for a B to get a WP. I could only have the O cancelled at the issuing office. No idea the DTV process and not seen the process published.