Tax free medical marijuana in the states that have legalized its use is more expensive than illegal marijuana available on the streets.
Legal, government-supplied, tax free medical marijuana in Canada is more expensive than illegal marijuana available here.
Legal tax free recreational marijuana available in coffee shops in Amsterdam is more expensive than illegal marijuana available here.
Other than your libertarian "theory", what makes you think that legal, regulated, and taxed marijuana will be cheaper than it is today? And what makes you think our society wants it to be cheaper?
Of course they will ... that's basic economics.
Tax free medical marijuana in the states that have legalized its use is more expensive than illegal marijuana available on the streets.
Legal, government-supplied, tax free medical marijuana in Canada is more expensive than illegal marijuana available here.
Legal-for-a-small-subset is not legal.
Legal tax free recreational marijuana available in coffee shops in Amsterdam is more expensive than illegal marijuana available here.
Illegal to produce, hence not legal.
Drag your red herrings somewhere else.
Other than your libertarian "theory"
Supply and demand is much more than 'libertarian "theory"', as real conservatives know.