It's always an interesting question regarding Marijuana. I just think back to when prohibition of Alcohol in the US was enforced. More alcohol was consumed during prohibition than before when it was legal. The government lost all kinds of money and a lot of crooks made obscene amounts of money like Joe Kennedy.

Tom

Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety. Benjamin Franklin, US author, diplomat, inventor, physicist, politician, & printer (1706 - 1790)