PARIS — Big fashion spectacles are becoming a tired concept. In Paris, even the billion-dollar brands have scaled things down amid budgetary pressures and the sense that luxury has become too mass. Rei Kawakubo said on Saturday, “smaller is stronger.” It’s certainly cooler.
Louis Vuitton is the world’s largest luxury brand, but its show was dramatically smaller this season. Getting to the venue — a building on the side of the Gare du Nord that harks back to 19th-century rail…

