First off, tossing the pizza didn’t make it any bigger and tore a whole in the dough.

Tossing pizzas helps evenly distribute the dough. It can help stretch out the crust as well to make it more even. While his hole was pretty big, holes in pizzas happen when they're hand tossed. You can fix them by moving some dough over it then twisting the tear. It seals it pretty well.

Second, why even put sauce on if you aren’t gonna spread it the fuck out.

While he absolutely didn't go far enough out most pizzas should have about a quarter inch between the sauce and crust (if it isn't thin crust). Some pizzas are made with a larger sauce border as well.

Source: Work at a pizza place