Normal people have an incredible lack of empathy. They have good emotional empathy but they don't have much empathy for the autistic kid who is screaming at the baseball game because he can't stand the sensory overload. Or the autistic kid having a meltdown in the school cafeteria because there's too much stimulation.
We all agree that its fit to be as Happy as we can and we need no Instructor to teach us this Knowledge 'tis born with us and is inseparable from our Being but we very much need to be Inform'd what is the true Way to Happiness.