When you open a fresh jar of peanut butter do you only work through one side until it is completely empty then start on the other side?
Or when you get those shallow tubs of hummus does it have to make it back home undisturbed? Then one of the baggers at the grocery store shoves it sideways into the bag completely ruining the symmetry.
There is a huge difference in Italian pizza and whatever passes for pizza in some other countries. Anyone who doubts this needs to try an Italian / Sicilian pizza, it's amazing.
The bread is much tastier, the ingredients pop in flavour and there is very little greasyness on the plate after eating it.