You sort of lost your own argument here. If you live in the United States and your parents allowed you to drink beer in the house, technically they were teaching you it's ok to pick and choose which laws you want to follow and which you do not. There isn't any state in the union when it is legal for a 14 year old to buy beer or for an adult to give beer to a 14 year old.
According to the CDC:
"Excessive drinking is responsible for more than 4,300 deaths among underage youth each year, and cost the U.S. $24 billion in economic costs in 2010. 2,3.
Although drinking by persons under the age of 21 is illegal, people aged 12 to 20 years drink 11% of all alcohol consumed in the United States.Oct 20, 2016"
From the CSPI - Center for Science in the Public Interest.
"According to adverse event reports collected by the agency since 2004, a total of 34 deaths have now been linked to energy drinks. Of those, 22 deaths have been linked to 5-Hour Energy, 11 deaths have been linked to Monster, and one death, a first, has been linked to Rockstar."
Alcohol is still far more dangerous to teenagers than energy drinks.