Like “you get a fine” illegal, or “you go to jail” illegal, or “Judge Dredd executes you in the street for possessing stimulants” illegal? If the punishment is light or the risk is low, many people probably just keep using it, like alcohol during Prohibition. If there’s a harsh punishment and the risk of actually being punished is high, there might be riots.
Like “you get a fine” illegal, or “you go to jail” illegal, or “Judge Dredd executes you in the street for possessing stimulants” illegal? If the punishment is light or the risk is low, many people probably just keep using it, like alcohol during Prohibition. If there’s a harsh punishment and the risk of actually being punished is high, there might be riots.