One has to remember that Portugal did not completely legalize drugs. Possession of small amounts and usage were legalized. Dealing is still a big crime there, due to the citizens of Portugal not wanting to be akin the worlds drug den. The different viewpoint of legalizing usage was that it is a medical problem, and not a evil crime. Even that said, Portugal also made their problems less severe by bringing them out in…
The lack of a socialised healthcare system is actually a boon in this case, since the state is basically getting rid of a large cost (funding the police work on the war on drugs) without creating another cost (since patients then have to pay for themselves). Isn't it?