One impression I've gotten from Barkley is he's used to interacting with people who do not believe in ADHD, or underestimate the conditions effect on individual

One impression I've gotten from Barkley is he's used to interacting with people who do not believe in ADHD, or underestimate the conditions effect on individuals and their lives. His talks often revolve around acknowledging the seriousness of ADHD and how the symptoms are not a result of moral / intentional failures but cognitive defects