Both the NIH and DSM-5 would disagree.
https://www.ncbi.nlm.nih.gov/books/NBK565474/table/nycgsubuse.tab9/
https://nida.nih.gov/publications/drugfacts/understanding-drug-use-addiction
I can find 10 people to say that ADHD isn’t real for every 1 person who says substance use disorder isn’t a disease.
Does that mean ADHD isn’t a real condition?
I hope when he becomes a “documentary” film maker a la Dinesh D’Souza. Comedy gold.