It is odd that we hanged people for murder in the 19th century, and never needed any bans on hemp (marijuana), cocaine, morphine, &c which were stocked at apothecaries.
We also used commonsense, aka DON'T PANIC.
The same is true with drugs, the incentive of it being illegal makes the con worth doing.
Or we could try the Singapore police state model, no thanks.
SPOKANE Discovery of a box of useless dynamite on the railway track two and a half miles southwest of this city led to special precautions being taken to guard the line over which President Roosevelt’s train passed this morning [August 4] en route to Washington. Six deputy sheriffs guarded the section of the line near which the discovery was made. The President’s train passed safely at 10 a.m. Officials are skeptical about the dynamite having any connection with a possible plot against the President. '
Ya....it didn't end murder so maybe under your logic we should decrimilize murder since it still happens with all the laws.
People who used drugs back then suffered the consequences and died. There was no welfare system that allows people to do drugs all day and ignor their children and responsibilities. Unproductive, lazy, irresponsible people usually suffered from natural consequences that were great examples to children (rather than the media's glorification of all that makes one irresponsible.)