15
Beer and Wine are vegan drinks.
(lemmy.ml)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.
He's confusing it with the law of Hammurabi, in which a brewer that is caught diluting his beer is sentenced thusly.
German reinheitsgebot was not as severe, nor German (it was a Bavarian law, before Germany was a thing)