I didn't click any hyperlinks on that page but other that what was stated about applying for a job, where does it say they cant ask
Because this
Once you have been hired and started work, your employer cannot require that you take a medical examination or ask questions about your disability unless they are related to your job and necessary for the conduct of your employer's business.
doesnt argue that point. If TCs schizophrenia is affecting his job to the point he is being asked about it, going to court sounds like a waste of time and money
And I revise my previous post. You aren't "required" to let your supervisor know, but then that just opens you up to potentially being fired before your secret comes out anyway since your boss isnt a mind reader. So it's only required unless you as an employee enjoy going through that huge hassle