They are "inanimate objects" when they are sitting on a table. When they get to your brain, they become part of your thinking (or lack thereof) process. They are no longer inanimate, they are now part of your consciousness. The consumer makes them "animate."
It's just like a vial of cholera. It's harmless on a table, but introduce it to your biology and it can become a deadly threat to everyone around you.
Marijuana is not an infectious disease. It is not spread through casual contact. It is not spread through any contact. This comparison is beyond ridiculous.
Prohibition brought us organized crime and widespread disrespect for law and order. It really never works the way prohibitionists think it will. The answer to drug problems (and alcoholism, gluttony, gambling problems, etc.) is education, not hysterics.
I am done debating you because I’ve got better things to do than waste any more time.