The ending of state sanitariums was a campaign from the academic left with the key “study” pushed by a now known fraud who at best manipulated data and used students as test subjects then excluded any positive results from self admission to a state hospital. Here’s a pretty solid breakdown on it https://nypost.com/2019/11/02/stanford-professor-who-changed-america-with-just-one-study-was-also-a-liar/