The taco-stuffing job can make a lot of sense, but needs to happen at the right time. Diana's mission is to evangelise for her gods, so the best way to do that is to gain an understanding of the people to whom she must preach. Take a 12 Tasks of Hercules approach to that, where she has to do things like work minimum wage in a fast food joint, take out the trash and the shit, and do all the other sorts of thing that as a Theymscrian princess were never in her life experience, and it makes a terriffic amount of mythic good sense.
NAturally it would never happen that way because it'd take away from bloody Clark's alleged Everymanness.
Also, I see Artemis has either a rather narrow landing strip or more likely a full Brazillian