Two issues with that. Deinstitutionalisation was not just an American phenomenon, with similar movements in other Western countries. Second, the timeline doesn'

Two issues with that. Deinstitutionalisation was not just an American phenomenon, with similar movements in other Western countries. Second, the timeline doesn't line-up. By the 1980s Deinstitutionalisation was well underway, and it wasn't necessarily a federal driver because the states were the ones running the system. Deinstitutionalisation was a combination of changing attitudes by public (hollywood movies certainly did not help with movies like 'One Flew Over the Cuckoo's Nest'), activism, courts strengthening rights to the point where institutionalization was not possible, and yes, cost cutting by States.