Why would Jesus turn water into wine - psychoactive, cancerogenous substance

It has been confirmed scientifically by Oxford Population Health researchers that there is direct link between alcohol consumption and significantly increased likelihood of developing malign types of cancer. Besides, alcohol has been prime cause of mental disorders, broken relationships and crime. 1. Why would Jesus turn water - the source of life into alcohol/wine - the source of misery? 2. Why would the Messiah engage in such an inconsequential and trivial act of making a party go on? It does not seem right for Jesus to use his divine powers to this ambivalent end. I have been trying to become religious many times before, but usually my drive towards religiousness is quickly quenched by absurdity I perceive in the sacred texts. It's likely I'm just ignorant, so please help me find an answer to the questions to help me out from my possible ignorance or lack of understanding.