Alcohol is absolutely not required. It's the Western culture. I live in a country/social circle where nobody drinks and it's plain out funny seeing Westerners thinking alcohol is some absolute necessity of life.
> Alcohol is involved in more homicides across the United States compared to other substances, like heroin and cocaine. In fact, about 40% of convicted murderers had used alcohol before or during the crime.
listed among other crimes such as robbery, sexual assault, aggravated assault, intimate partner violence and child abuse[1].