The deluxes have smaller quick service areas b/c they have a lot less people to serve. CBR has around 2,000 rooms versus Polynesian with a little over 800- so of course their food court will be smaller.
At the moderates/values, you get a food court with a station for pizza, a station for burgers, a station for chicken, etc. At the deluxes, its all sold at the same counter- it doesn't need to be spread out as much.
I might not stay at a resort with no quick service food at all, but I definitly wouldn't let a smaller sized foodcourt deter me from staying at a deluxe. -Steph