I think a lot of education has to be involved. If they would have alternative items, so that, say, for a dollar more, you can get breakfast tacos stuffed with egg whites, and olive oil, and avocado; not guacamole, because they put the salt in it. Just ask for fresh avocado slices, and you could have that.
One of the nice things about being a private company is operating without the intensity of public glare. It's hard to grow a company under a microscope of constant second guessing.