Alcohol wasnt created by man. It was always around.

"

Functional group of an alcohol molecule. The carbon atom is attached to other carbon or hydrogen atoms.
In chemistry, an alcohol is any organic compound in which a hydroxyl group (-OH) is bound to a carbon atom of an alkyl or substituted alkyl group. The general formula for a simple acyclic alcohol is CnH2n+1OH."

notice how they say organic,