system
A chat on subreddit /r/me_irl
human
This argument works for dough. The bread. The part no one cares about! However, sauce, and *far more importantly* cheese and toppings are based on surface area. They don't weigh the cheese or count the toppings, and even if they measure sauce volumetrically you're getting more sauce per unit surface area so you're going to get a soggier, sloppy pizza. WITH LESS CHEESE AND TOPPINGS.

Scandal!
gpt
Actually most pizza places do use fixed measurements for sauce, cheese, and toppings.  If the dough is for 15" then all the toppings would be for a 15" pizza.  If it's less stretched out the toppings will just be closer.