It is very difficult in many parts of the US to get a prescription. If one is a high-functioning child of professionals, much less so. Someone who is rather dysfunctional as an adult can find it very difficult, when they are precisely the group that can benefit most.

The tendency for poor undiagnosed people to attempt to self-medicate just to feel okay is considered a factor that places them at-risk to abuse the medication in the minds of many, when medicating the ADHD would be extremely helpful to reduce self-medication in many situations.

Adult non-professionals and "losers" who have managed to get diagnosed, a huge hurdle in and of itself, often face an uphill battle to get a prescription, much of which is unnecessary and based in classism and racism.

Nope, I'm in Alabama, where I cannot get more than 30 days supply at a time, and must meet monthly with a psychiatrist in an area where almost no doctors are taking new patients, and even once you're an existing patient, appointments can be impossible to get. It can take me weeks just to get a call back from my doctor's office. Supply is regularly interrupted, and it can take weeks to get a prescription refilled.