> Norway could end up causing a heroin epidemic as their high-quality drugs flood Europe
From a quick wikipedia search: Heroin assisted treatment is fully a part of the national health system in Switzerland, Germany, the Netherlands, Canada, and Denmark. Additional trials are being carried out in the United Kingdom, and Belgium.
^I feel like you missed the boat on this one.
> How does free heroin rehabilitate anyone?
I don't know if you've noticed, but the current norms of tackling addication aren't working well at all. Countries that have experimented appear to be achieving good results. See https://www.theguardian.com/news/2017/dec/05/portugals-radic...
On portugal (from https://www.independent.co.uk/news/health/norway-parliament-...):
The Norwegian Health Committee is planning a trip to Portugal in February, which decriminalised personal possession of drugs in 2001. The country made the move following a heroin epidemic and the highest drug-related Aids deaths in the European Union (EU).
It now has the second lowest drug-related deaths in the EU.
> When did Norwegian taxpayers sign up to fund a global heroin haven
Here (ignoring the other part of your loaded question): https://www.independent.co.uk/news/health/norway-parliament-...
The GP asked for alternative strategies, which you have not provided, and which would be helpful.