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College professors are going back to paper exams and handwritten essays to fight students using ChatGPT
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
You could indeed go for such a setup, however, in a room with 50+ students it becomes very hard to angle a camera with a clear view on all of them, their computer screens, and under their desks. It's easier just to walk around the room to invigilate. However, I might have a read up on this as it might be an option for students with exam anxiety (I realise we look scary walking around the exam room!).