Yup. It's to allow the cases to be stacked without being crushed....something for stacking cases?
Nah, the government regulated big pizzas into oblivion. We're all healthier now.Kind of like the little miniature 3-leg tables you used to see in the center of your pizza box, I guess.
They must make pizza boxes stronger nowadays. I haven't seen one of those miniature tables in years.
It is Italian....Ash tray?