I think that we can find a way to enforce laws against child porn, drugs, counterfeiting, sex trafficking, child sex, and so on.
Many drugs can be made by one person and sold for more than their weight in gold. Online sales of drugs are skyrocketing due to encryption. There is absolutely NO WAY you can put a dent in a market so easy, so secret and so profitable without creating a police state with no privacy rights.
Even then, the market price will go high enough to simply pay off law enforcement and politicians. It is literally more profitable than growing money on trees. If you've been paying attention, you'd see some of the highest levels of our government have been obviously bought by the Sinaloa cartel. There is so much money involved that it is more difficult for dealers to hide the money than the drugs.
The end result of any attempts to increase this war will be a police state with absolutely no reduction in drug use and more profit for dealers. Is that what you want?