Trudeau was actively campaigning for the legalization of pot in by-elections before the federal election was called.  He announced this to First Nations young people- a people profoundly affected by intergenerational substance abuse. 
 The G&M has reported many stories of marijuana outlets opening, being raided by police, and closing.
 Yes, the provincial governments are coping with the fallout of ill conceived proposed federal legislation- a crisis created by the federal government where there was no crisis before- a strain on our constitution.
All courts are overwhelmed as reported regularly by the G&M.
The effects of marijuana on small children and youth is profound.  Google it.
Marijuana, as is with alcohol should be a controlled substance, hence the point of my comment of the fed's poor effort at addressing this.
You may want to study U.S. states struggling to meet the demand.
Grow Lights can be a hazard with frequent usage - induces growth at a much faster rate.