This is very different from “lay-diagnosing” every introvert kid as autistic and every jittery kid as having ADHD.
There’s _a lot_ of reliable material from his direct actions over the years to accounts from people who’ve worked or dealed otherwise with him closely.
There’s more than enough of it to make it possible to fill in a DSM-5 questionnaire and see what the outcome is.
They’re not mentally ill, they’re obsessed with power. It’s dangerous to conflate the two.