And, at one remove, of the War on Drugs that incentivizes such system-playing - nobody gets threatened by rumrunners seeking their stealthily-shipped hooch, because there's no incentive to stealthily ship hooch.
Great, by that perverse logic, let’s legalize terrorism, so we can end the “war on terror”.
And on another level how does your notion of ending the war on drugs by joining the enemy impact state’s rights? Does the federal government have the power to decide illegal drugs are suddenly legal, constraining every state from the power to enforce their own drug laws against drug contraband shipped to their state through interstate commerce?
Of course not. The states must have consent. The federal government is Big Brother, but fortunately the federal government is constrained by the Constitution. If the feds were to suddenly legalize pot (as an example) then pot shipments from Washington state to Texas would still not be legal, unless Texas legalized it too, in addition to other considerations. Each state transited by the dope shipments have a say.
I'm just going to interrupt here to state that there is plenty of stealthily shipped hooch, but they don't use UPS or Fed Ex to move it because shipping costs. Booze has a much lower value by volume, so it's not cost effective to ship by contract carriers like drugs are.
Most hooch is illegal because it's being sold with fraudulent labels and tax stamps and in very large volumes to bars who are buying cheap and selling high while avoiding applicable federal, state and county taxes.
It's more about business model than it is about the illegality of the substance. Even if dope were legal, there will be people involved in moving black market product with fake tax stamps just like they do with booze and cigarettes.
Fed Ex was stupid to give out the mistaken recipients address instead of saying they had sent someone to retrieve the package for re-delivery. It will cost them.