"It is going to be disastrous," Mr. Mammoliti said.

Mr. Mammoliti should review the Supreme Court of Canada decision on Insite. 

Spoiler alert: Proponents provided stacks of peer-reviewed evidence that Insite does what it is intended to do; save lives and money, shepherd drug users into detox and treatment, reduce public drug injection and discarded syringes, etc. 

Opponents were unable to provide any evidence that supervised injection sites do what they intuit they do, attract drug dealers, perpetuate or encourage drug use, increase crime and public disorder, attract drug users from far and wide, etc.