As an slightly irrelevant point it was the limitations that the roman empire put onto free movement around the 4th century that started the feudal period.
OK, i'll get my coat....
You're right of course. However cocaine is probably a drug that a depressive would turn to, to self medicate. It would give the 'umpf' to get the things done when the illness is incapacitating you.
I'm not saying it's right or that he's not a bellend. Just it all seems to add up.