The legislative intent and purpose of this subchapter is to: 
(1) Eliminate the sale of alcoholic beverages to and consumption of alcoholic beverages by underage persons; 
(2) Reduce intoxication and to reduce accidents, injuries, and deaths in the state which are related to intoxication; and 
(3) Encourage alcoholic beverage permit holders to be prudent in the sale and service of alcoholic beverages.