[Jiocus]

Amphetamines has an established history in depression treatment, with some emphasis on light depression. They fell out of favor with the introduction of then state-of-the-art SSRI's (1980s I think).

Somewhat before that – US context late 1970s – there was political pushback against the largely unrestrained (but legal) amphetamine production by the pharma industry, which supplied more than enough to saturate all the recreational and abuse cases.

DEA brought amphetamines into the Scheduled drugs, manufacturing became quota limited. Incidently, the medical community found that psychostimulants does not have any medical value in treating depression.

Some studies have found them beneficial, some not. The pharma industry has since transitioned into opioids but stimulants have been making a comeback for 20 years with record numbers in ADHD,ADD diagnoses.