Pretty much. The in-city fighting only really happens in EU. Ever played Star Wars Battlefront? You fight in Bespin, Mos Eisley, etc. You fight in cities in (this is kind of an old game, but I still like it) Galactic Battlegrounds, Coruscant, Bespin again, Theed, etc. Plenty of the old Star Wars books involve urban fighting.
But, considering we've got this kinda stuff for real in say, Iraq, I'm sure LEGO doesn't want to invoke that.