Italians will eat ham with melon but not pineapple with pizza, just because

that is bullshit; a few well-grilled chunks of pineapple goes perfectly well with the heavy cheese and meat on a pizza, just as it used to go well with steak and barbecue

traditional Italian cooking is shit anyway, French and Eastern cooking is more complex; it is simplistic and generally relies on ingredients rather than making more complex flavour combinations