The reality is the simple graphics is what allows you to keep things very easily distinguishable as you zoom out to a great distance. Additionally, they required less time to create.
Last, the other point of keeping things as relatively abstracted icons is that it forces players to tell the story in their mind and create emotion from there, where the player fills in the blanks themselves.
Last, the other point of keeping things as relatively abstracted icons is that it forces players to tell the story in their mind and create emotion from there, where the player fills in the blanks themselves.