For instance we banned meth and other drugs that have tremendous productivity effects at the expense of the individual and how we had to deal with them, so it's not a rhetoric question.
Your apparent disbelief in ADHD doesn’t make it imaginary, by the way. Consider yourself lucky that you do not have it; I am unemployable without medication.
I should have been clear I saw it in the "make people smart" light, as doping an already acceptable situation, instead of correcting something perceived as a pathology.
Meth was widely available over the counter at some point, and we made it legally disappear outside of strict medical settings.