His son died of a fentanyl drug overdose which is really tragic. Scott Adams was definitely a crazy person by the end of his time with all sorts of rants on this and that. But I always viewed this stage with pity rather than outrage. Being crazy after losing your child is perhaps just how things are.
It’s just unfortunate that others treated him as sane.
I'm not sure about the hypnotism and manifesting beliefs, but that might have been the start of some deeper mental health issue too.