If you were to read the comments on one of HuffPost Food's stories about the much-ballyhooed Doritos Locos Tacos at Taco Bell, you might get the impression that most people were aghast at and offended by the snack. But a new study of consumer attitudes, by research firm BrandIndex, shows that the release of the Doritos Locos Tacos actually boosted brand perception of both Taco Bell and Doritos by a considerable degree -- at least temporarily.