Corn > flour. This has been long understood, but the flour are, undoubtedly easier to work with and can become the default simply for convenience. Unfortunately, they eliminate present subtleties, as with the caramalized fennel and crab tacos. Corn would have been a much better mitten for those — present but subdued enough that the flavor of the contents can be appreciated.
The patties and the guacamole carried through very nicely on lightly oiled and panned tortillas.