To add to this, I use an old iPad as a third monitor at work for Teams mostly. It’s 1024x768 which seems to be the minimum supported resolution for Teams (except for some applets) and I don’t need a good quality picture for Teams.
Unfortunately the app I’ve been using (TwomonUSB) seems to be no longer available for Windows download (CDN down), but this doesn’t affect me personally as I still have the setup anyway.
In this case though, it’s not a hallucination, there’s nothing false in that response, it just completely misinterpreted what the user was asking.