The President's Committee placed a heavy qualification on that statement when it also said "in many situations it is not in the best interest of the child or family to keep him at home."
That being said, the vast majority of public funds went to support the 9% of the total population with developmental disabilities who were living in institutions and community residential settings.
It would take many years to develop a public policy commitment to ensuring that it was in the best interest of the child and family to stay together.
About Institutional Abuse:
Why Were There So Many
Unexplained Injuries to Residents?