People in the 60s still had ADHD and other problems, people just spoke about them less as they knew much less about them. The same with anything in history or in life, 100 years ago Cancer wasn't spoken about. Does that make Cancer bullsh*t too? In the 20s doctors advised people to smoke, why don't they still advise people to smoke? It's how the world develops, we do more research into things. If you broke your leg and someone told you it was just a sprain, would you take their analysis because they think broken legs are a new disorder and not real