That's kinda what I thought, but I figured I'd give twenty spot the opportunity to say what the signs are. I've not spent a lot of time around schizophrenics, so I wouldn't know what to look for. I have, however, spent a lot of time around Aspies and would have a gut feeling for that after watching for an hour, so it doesn't seem implausible to me that he sees something I don't.
It helps to shield the institution from any criticism and keeps the individual's motives from being closely inspected.
In the Soviet Union, political dissidents were often labeled as schizophrenics and locked up.