You lay down all cards on the table when you put your child there. They are to choose if they are up to that work or if they aren’t. If they’ve taken a non-verbal autist and then their worker did that, they failed their end of a contract. Even if they weren’t autistic, it’s the same.
Challenging this institution to change may help future kids&parents entering it. Fees can help family to access therapy. This case being brought up internationally may also has an impact on how (special) children are treated worldwide.