Who cannot be served alcoholic beverages under any circumstances?

Individuals with a known addiction to excessive liquor cannot be served alcoholic beverages under any circumstances because serving them alcohol can exacerbate their condition and lead to further health complications. The responsibility of establishments and servers includes ensuring the safety and well-being of their patrons. Therefore, the legal and ethical standards dictate that serving alcohol to someone who is known to struggle with addiction could result in dangerous situations, both for the individual and potentially for others. This aligns with public health concerns and the wider societal implications of alcohol consumption.

While individuals under the age of 21 are also prohibited from being served alcohol due to age restrictions, this rule is based on legal accountability rather than health concerns. Likewise, individuals who are not licensed to drink and those with previous DUI convictions may face restrictions, but these situations are more about legal ramifications than the direct health implications of serving alcohol to someone with a known issue related to excessive consumption. Thus, the emphasis on addiction highlights the best approach for responsible service in the context of public health and safety.