[MadWombat]

> Methamphetamines were used legally long time before they became illegal

Methamphetamine was invented in 20th century. So "long time" is a few decades max.

[MagnumOpus]

Nitpick: Invented in the 19th century. Mass manufactured for OTC self-administration from 1921 onward. At least in Germany, available OTC for the next 70ish years. Became prescription-only in 1988, became banned from prescribing in 2008 -- i.e. it's been legal a lot longer than it's been illegal.