I wasn't saying that diver will be the food instead of the fish. I should have said the sharks may be associating divers with lunch and this could lead to an accident.
Fair enough. I agree. And yes, they definitely learn to associate divers with lunch just like we associate restaurants with lunch but I rarely bite the waiter.
If you're interested, here is a link to 'shark diving 101' which contains some rudimentary advice for people that want to get close to sharks:
important Shark diving techniques. All the basic principles of shark diving