All stars is a value. PO is a moderate...here are the differences
all stars- you will have a pool, a quick service restaurant, an on site store where you can buy cold drinks, a pool bar...bus service to the parks. Advantage cost. Cheapest place to stay on property.
PO you will have a pool with a themed slide, a hot tub, a pool bar, a quick service restaurant, an on-site store, a sit down restaurant (POR), a lounge with music (some nights) , bus service to all parks, boat to disney springs (when drivers return) advantage amenities...more of a “resort feel”
port Orleans Riverside vs POFQ is a different conversation and plenty of info and opinions on this board...