Ridiculous.
Behaviors/customs are not ethically acceptable because they are part of our "culture".
If reprehensible beliefs -racism, homophobia, mysogyny, ...- in North America have diminished in influence it is precisely because people have stood up and went against the "common sense" of our culture. It is utterly insane -and saddening- to me that an intelligent, educated person would suggest to go against logic and scientific evidence to fulfil the niche of socially acceptable behavior.
If you admit that Adderall and coffee are roughly equivalent in their effects and counterbalances, you should strive as a professional to change the belief that they might not be, not contribute to the gimmick show. (Not saying that you should advocate for the consumption of either, but that both should be equally reprehensible/acceptable if they have the same outcomes.)