Say Trump gets his wish and becomes authoritarian leader of the US, the god-king his voters want.
When he dies in less than 10 years, who's going to take his place? What's the end goal for the Republicans after Trump? Do they even have one? (Probably not).
It might be the latest and greatest but it still has the hallmarks of stimulants. Namely euphoria and anxiety, two feelings I'd prefer a president to have under control and only experience in the right circumstances.
Anecdotal evidence doesn't prove the FDAs statements are incorrect, especially given that you're given it for a condition and not popping them for funsies.