They are too stupid to realize the money in it.

Think about it, if they MASS produced that shit, they could sell it cheaper than street prices and people would say "fuck my dealer, i'm goin' to the store to get a 20 dollar ounce of some dank"

Before when it was prohibited, it was during the depression and it was $100 of tax per pound, which is a lot of tax, so people stopped buying and started growing.