au contraire mon frere:
http://extract.suntimes.com/extract-news/colorado-marijuana-black-market-legalization/
http://www.denverpost.com/2017/01/24/colorado-black-market-pot-ads/
https://merryjane.com/culture/here-s-how-black-market-weed-affects-legalization
https://reason.com/archives/2017/01/31/taxes-and-red-tape-keep-colorados-mariju

and black market weed comes from mexico, making the example extremely relevant
until marijuana pushers can use modern banking, and the supply comes from legit farmers, and the sale is legal at the federal level - it will continue to be a crime-organization dominated industry with deadly results