1) It has to much grease
2) It has to much meat
3) It doesn't contain the equal balance of meat and vegetables.
The brand of the Pizza actually has to do with the way it's made. Some Pizza brands make their Pizza with less grease so that makes them known some other brands make their Pizza with more grease and they add other ingredients to give the pizza flavor and that's what makes them known. Pizza isn't always healthy unless it's cooked correctly and that is something that people should be aware off.