One - drugs are not legal in Portugal, they are just decriminalized...HUGE difference. What is being discussed in the OP is full legalization in Ecuador.
Portugal Drug Policy: Decriminalization Works - Business Insider
Two - both drug usage and STD's are down. And the homicide stat you list has nothing to do with drug use...it is just the number of homicides for the whole country, for any reason. And with the economy there sucking for years, naturally, homicides will rise.
Portugal GDP Annual Growth Rate | 1996-2015 | Data | Chart | Calendar
And what do you think would happen to the price of drugs were they legalized? They would plummet. Some estimates are as much as 80-90%. Obviously, when you make something illegal, the price for it will skyrocket - that is just common sense.Thats a naive and shot sided way to look at it. The majority of drug addicts especially the hard drugs cant hold jobs and must commit society harming crimes to continue their addiction
'Legalizing the production and distribution of marijuana in California could cut the price of the drug by as much as 80 percent...'
Legalizing Marijuana in California Would Sharply Lower the Price of the Drug | RAND
The price to get high on crack - depending wildly on where you live - but when I was using (from 1999-2002 - been clean ever since) it was about $400 per quarter (which is 1/4 of an ounce). And that would last me - depending on the quality - about 12-16 hours by myself (and I used a LOT). And, based on my sources, the price has dropped ever-so-slightly since then.
Now if you legalized it, the price would plummet and the quality would rocket upwards. So, based on this, an addict could get high for about 16 hours for about $80.
So if crack came down to $80 for 16 hours or even $160 for a weekend's worth (about $640 per month)...then you could be an addict, work at some $15/hour minimum wage job (in Seattle, for example) during the week and take home about $425-475 per week? That is about $1,800 a month.
If you take $640 out for crack, that leaves about $1160. Times 12 months equals $13,920 for the year for living. The official poverty line for the lower 48 states in 2015 is $11,770.
2015 Poverty Guidelines
You would be a law-abiding citizen, work at a Seattle McDonald's, pay your taxes and live above the poverty line...all as a legal drug addict getting high EVERY weekend, (almost) all weekend. And since crack is emotionally but NOT physically addictive, every weekend as a user is definitely doable. Most guys I knew only got high every week or so - as did I - but we would binge for those couple of days. The gals were different as they were almost all in the adult entertainment industry, so they were getting a constant supply of funds, so they usually got high in smaller doses but more often. (BTW - I had lots of money back then, so I could easily afford my habit without having to do illegal things to support it).
Now if you tried to do that today, the crack alone would cost you 5 times as much ($3000+ per month!?!). Most would have no choice but to turn to a life of crime to support their habit.
This is why legalization reduces crime...massively. Yes, petty crimes (like pickpockets) might go up. But major crimes go way down because addicts simply do not need to commit major crimes/prostitution to support their habit.