No it doesn't but i dont see what your getting at? I used Holland as an example because its in Europe and legalised weed
We wouldn't have a need for synthetic when you can grow your own? Also weed doesn't cause everyone to instantly become lazy, true if you get high your going to be lazier than normal but when your not high that effect leaves you. Its not a permanent effect and weed also increases creativity.
There is no actual reason behind weed being illegal, both tobacco and alcohol harm both society and the individual 10 fold that of any damaged causes by weed. Weed would bring a benefit to society where as tobacco causes harm, the only reason it isn't illegal is because the government would lose too much from the loss of taxes.