[chrysoprace]

I don't know how it works where you live, but in many jurisdictions around the world (including the one I live in), you have to provide ID to prove that you're of drinking age.

[usefulposter]

I don't know how this false equivalency keeps coming up on HN, but see https://news.ycombinator.com/item?id=46983668.

[chrysoprace]

Not sure what your point was, here in Australia they just look at it, they can't take a photocopy.