Brands can borrow traditions. At some point, though, the tradition becomes nothing more than packaging. I’m not a massive a traditionalist, and thin skin is a pretty reliable recipe for anguish these days. Still, I think we’re all allowed to draw a line somewhere. As a kid, I took Advent pretty seriously. The season has deep Christian meaning as preparation for Christmas, and early commercial Advent calendars in Germany helped children count down with Bible passages, poems and small gifts....