You get locked up. If, sometime in the future, a cure for schizophrenia is developed, out you go. But otherwise, you’re just a ticking timebomb until that day where you go off the meds and explode.
No, what the parent is getting at is, you should say "I get locked up." You personally, whether you think you're schizophrenic or not. Are you happy with this situation? If you think you're sane, how do you prove it and how do you get out?
This isn't an abstract question. Locking healthy people up in asylums is something that has happened many times in history.
You're linking mental illness to violence, but we know that's wrong. Mental ill health does not predict violent behaviour.
Violence is common. Mental illness is common. Some violent people also happen to have mental illness, but there's little evidence that mental illness causes violence, and if it does it's in a small number of people.