The world is experiencing vodka boom
Fashion is a capricious thing, but, in essence, it is just called to brighten up the purely utilitarian nature of the material world around us. A jacket, skirt, trousers, dress - fashion can change their shape, but not the essence, they will not still become Roman. The laws of aerodynamics made cars of different firms similar to each other, like Gemini. So the fashion for vodka can be looked for a rational explanation.