"1. the argument of alcohol, nicotin, etc. is a little faulty. the fact that a dangerous thing is legal doesn't leads me to the conclusion that other danerous things must be legal."
No but your original point I was refereing to was,
"but legalising highly dangerous substances should not and can't be the awnser to organised crime."
My point is that society already has dangerous substances in use already some of which are arguably more harmfull than the pure forms of the drugs supplied by organised crime. Thus there has to be some other reason organised crime has an interest in illegal recreational drugs as oposed to legal recreational drugs.
That is it is the fact that some have recreational drugs have been made illegal that has brought organised crime in.
And the reason for this is the vastly increased profit margin simply because they are illegal (see my point about the mob and post prohibition).
"2. countries have differnent laws. i'm not willed to judge the proportionality of the punishment."
Again my point is no mater how ruthless the punishment (as in China) it will not stop recreational drug taking. In fact some studies have sugested the tougher the penalties the more incentive there is not just to use but supply drugs (that is the profit will always exceed the risk loss for certain people).
"3. of course drugs from dealers are not safe, but is crack "safer" from an apothecary?"
The honest answer is would you be comparing like with like. If the crack from the dealer has Rat Poison in it and that from the apothecary does not then it is reasonable to suppose that as an addative the rat poison may make the crack more dangerous.
The point is if you know people are going to take drugs and your most draconian legislation just makes the issue worse. Would you rather they where taking a risky substance or a risky substance pluss a pure poison?
That is although the recreational drugs represent a significant risk above medicinal levels, they appear to be less risky than recreational drugs cut with other chemicals such as rat poison and drain cleaner.
"4. 'The profits that attract organised crime would not exist in a retail "freemarket"'. of course not! why?"
Because it is mitigating the risk of obtaining and supplying illegal substances that makes both the costs and the profit high. Removing the need to mitigate the risk changes the market so much that it is effectivly two different markets.
Take medicinal cocaine the price for this in pharmacutical grade is about 1/3000th of the illegal street value. In an open market where the demand is larger than current production you would expect production to rise bringing in economies of scale. Thus you would expect the price of medicinal grade cocain on the open market to drop to around 3USD/gram in a pure or packaged ready to use form.
"because the freemarket would not be able / allowed to supply the severely-addicted drug user."
Why ever not we allow alchol to be sold to drunks and tobbaco to be sold to lung cancer sufferes. Such is the nature of an open market to adults, you want and you have the money then you get.
"the mob goes where the profit is. even if there is nothing illegal with a high profit margin, they stay in the (new) legal market. They have the know-how: production, transportation, selling, etc."
I think you are wrong on all points there. Firstly they "mob" have little or no experiance in pharmacutical grade production and getting it would take longer than it would for reputable organisations to ramp up production. Secondly the "mob" has experiance in "illegal shipping" this is nothing like putting stuff in a UPS baggy and paying 30USD delivery which is how a lot of medications are actual shiped to a chemist/apothecary or other point of distrubution for medications. As for selling they do not have the retail outlets, where would you go some "crack house" in a run down neigbourhood or the apothecary just down the road where you buy your cold/flu remodies and get the antibiotics or other medications your doctor writes out a script/prescription for?
"organised crime is experienced in connecting legal with illegal activeties. e.g. gambling is legal. organised crime has control over it in a lot of cities."
Yes and the reason actualy has little or nothing to do with their money earning illegal activities, and just about everything with legalising the money from those illegal activities. It is also why the Mob has significant intrests in currency traders, travelers cheques and other "cash money" operations.
"I don't say that legalising drugs has no effect on organised crime."
First seperate the two issues "drugs" and "organised crime" if you don't you will like the politicians never find a solution (and they sepecificaly do not wish to for many reasons).
So recreational drugs have two supply routes legal ones come from ordinary retail organisations such as your local small shop, illegal ones come via illegal operators with exceptionaly high costs, which encorages other illegal activity.
If illegal recreational drugs where made legal the mob would nolonger be able to compeate with the legal suppliers with properly established retail outlets etc.
"but it is not the solution and it would lead to other problems."
Again you are not making clear what you mean.
Legalising illegal recreational drugs would have a very positive effect on tax income, it would reduce a lot of secondary crime, it would help people with drugs problems come forward and seek help without fear of prosecution etc. It would significantly reduce the social cost to society.
With regards to the mob or other organised crime they would simply dump the drugs business without a second thought and go on to other areas. This would give rise to some social problems whilst those in the lower echalons of the drugs business found other activities. But then being made redundant is not exactly a new social problem, nor is rehabilitating criminals.
There appears to be some myth in polotics that you can legislate for the politicians moral outlook. For instance some countries have a "church tax", other countries have tax legislation to try and force people into being wed, or supporting children to whom they are not parents.
Nearly all such laws and tax code incentives actualy cause considerably more harm than good. Criminalising people because they don't fit in with your social mores is destined to cause significant social tension that will give rise to harmfull if not violent backlashes from those who do not wish to be constrained by such moralising by those who take a "Perternalistic view" on others.