Criminalization of Alcohol and Decriminalization of Marijuana

I do not understand how Alcohol can be legal, and smoking Marijuana is criminal. I think that is kind of stupid. I think it should be switched around with limitations. I think Alcohol should be illegal and criminalized. I Think minimum Marijuana should be decriminalized and would result in a fine, not criminal charges. It would benefit everyone...If Marijuana was legalized it would possibly destroy that area of illegal operations due to government control of the substance. I believe if people were able to smoke in their limited areas as not to effect the non smoking public then I would support that over the use of Alcohol or harder drugs absolutely.