Why Don't Local Arizona Restaurants Serve Arizona Wine?

For decades farm-to-table has been a mantra in the culinary world. Chefs and foodies clamor for local ingredients and purveyors, so why doesn’t that same mentality translate to grapes? Arizona has over 120 wineries, but only a handful of local restaurants are putting these homegrown bottles on their wine lists. Why hasn’t vineyard-to-table caught on in the Grand Canyon State?