A model does not necessarily become more useful by being made more realistic
By default, Google maps on my iPhone offers me a satellite picture of the place I am trying to get to. I find this a ridiculous default choice: I am not interested in how tree covered the property in question is! I just want to see black lines on white space so I can figure out how to get there. And yet there is no doubt that the satellite view is more realistic than a typical street map.