Originally Posted by Big Mo
FWIW, it's true that "many" offer both. Yet, more to the point, the vast majority offer thin-crust pizza, while only a minority offer deep-dish pizza. That's not a coincidence. Heck, there are entire neighborhoods in the city where no pizza joint sells any deep-dish pizza. In other neighborhoods, only a single joint sells deep-dish (in addition to thin-crust), and it's extremely unlikely that the deep-dish sales from that single store > its thin-crust sales + the sales from every other store combined.
I understand your point. You are missing mine, which, again, is that Dues, as just one example, sells more pizza in one day than several of the neighborhood parlors combined. Take all the big chains together and you are hardly a "
small percentage" of all the pizzas sold in Chicago.