-Recreational use of prescription meds makes it vastly more difficult for people who actually need them. Especially when their condition causes an inability to schedule and coordinate.
-Psychiatrically, recent studies are showing that neurotypical brains don't actually benefit much from stimulant medications (but the illusion of productivity can be a good placebo)
https://www.sciencedirect.com/science/article/abs/pii/S03768...