Once again, the logistics of actually trying to do that are unsupportable. There simply aren't enough law enforcement/military.
And people won't take an attempt laying down... there will be resistance of all kinds, from sit-ins to outright fighting.
The combined weight of the western military can't get rid of the opium poppy in a small country like Afghanistan. Forget going door-to-door in fly-over America.
/johnny
It was done in the Ukraine.
It’s been suggested that the military leave some kudzu vines in the opium fields of Afghanistan as a parting gift.