I’ve seen a few people put their delivered pizza in the oven after everyone grabs a piece to keep it warm. I’ve also seen a lot of those people forget the pizza is in there and either have to throw it out or only noticed after they preheated their oven.
“after everyone grabs a piece”. I’m sorry what size are your pizzas that multiple people share a pizza, and take that long to eat it, that you need to keep it warm in between?
I usually have a whole pizza for myself. Just like my friends. So everyone just has their box and usually eats out of it (depending on the setting, we might put it on plates).