Portugals radical drugs policy is working. Why hasnt the world copied it?

Portugals radical drugs policy is working. Why hasnt the world copied it? The lengthy read: Because it decriminalised all drugs in 2001, Portugal has witnessed dramatic drops in overdoses, Aids infection and drug-related crimeWhen the drugs came, they hit all at one time. https://www.nehans.net/portugals-radical-drugs-policy-is-working-why-hasnt-the-world-copied-it/