It scares me to think all of these requests run over unencrypted HTTP.
Pizza drivers are often the victims of crime. Not only for the small amounts of cash that they carry, but sometimes just for the pizzas.
edit: I should say that my comment here was a kneejerk reaction to "it's just pizza", and has nothing to do with how eatabit.com deals with this kind of harassment. i agree with other commenters that blog posts like these are a great way to promote the company.
We're not (all) in the "think-of-things-to-do-with-stolen-information" business like so many others are; but many of us are we're in the "encrypt-all-the-things-so-that-information-isn't-stolen" business.