Personally,

I think that, if someone knows that they have allergies to pretty much everything that is usually in a hamburger, they should stay awar from fast food restaurants and should be personally responsible for any problems that occur if they do eat there.

Man in a pickle over Burger King

He'll likely win. The U.S. is the only country in the world where someone could stab themselves deliberately with a knife and then sue the knife maker for not putting warnings on the knife or safeguards to prevent the knife from cutting anything...