Hvorfor kopierer verden ikke Portugals succesfulde narkotikapolitik?

Since it decriminalised all drugs in 2001, Portugal has seen dramatic drops in overdoses, HIV infection and drug-related crime.

Kilde: https://www.theguardian.com/news/2017/dec/05/portugals-radical-drugs-policy-is-working-why-hasnt-the-world-copied-it