“Weed has been used here since the same time as alcohol.”
That’s an absurd statement. A hundred years ago, in 1921, what percent of the adult population had consumed beer, wine or distilled spirits? Probably >90%. And what percent had used cannabis? Probably less than 1 percent. I remember my father saying that in the 1940s, at his large urban high school, there were plenty of drinkers and (tobacco) smokers, but he knew not a single person who used marijuana. When Robert Mitchum was busted for it in 1948, they were all shocked because they barely had any idea what it was.
You should work on your reading comprehension skills.
I didn’t say used as often, and your numbers are pulled from your ass. N=1 is meaningless statistically.