You can drink at 18 in most of Europe, even younger in some places. Age of consent is reliably lower. Slightly less of a taboo about being topless at beaches.
By the way, the reason they can drink their beer warm is their beer is not loaded with formaldehyde, like popular American brands.
Among the older cohort that makes most of the political decisions over there, nationalism is Seen as something akin to mental illness. They immediately think of Nazis. To them ANYthing is better than that (and yet, they maintain a lot of old international rivalries - my Italian dad still hadn't forgiven the Austrians for WW 1!!)