How is marijuana harmless?

It is as close to benign as you are going to get. More people die every year from eating peanuts then smoking Marijuana, which kills a staggering ZERO people annually. It is physically impossible to overdose on Marijuana and it has nonexistent physical withdrawal symptoms (having taken multiple Tolerance Breaks before personally) By the outright quackery logic that Marijuana is a Schedule I Drug in the same classification as Heroin (i.e high potential for addiction, no medical benefits and lack of accepted safety of use which have ALL been proven wrong in over 4,000 years of Cannabis use by humans), Alcohol should be illegal, as it is a VASTLY more dangerous drug in every way, and a far greater danger to society and morality in excess then Marijuana will ever be.

Regular Marijuana users develop a psychological attachment to the drug. But given the truth, who would not be attached to Marijuana? Legalize