I mean, I figure that you are being sarcastic, but it's absolutely a thing(not the physical resistance to alcohol, obviously, rather a psychological one) - in countries where kids are allowed(and it's socially acceptable) to have a little bit of alcohol with dinner there isn't suddenly a shock when they turn 18 and they can drink so they go on a binge because no one taught them responsibility with the drink. Look at the drinking culture in UK vs France for instance - it's a completely different approach.