Yes a lot do, example A… gestures at the US.
Not that it matters too much to the point they are trying to make, but they didn’t highlight the entire orca area either. So an over representation for the parking lot and under for the actual exhibit surface area.
Yes, a lot of the time it is, depending on land acquisition cost. Plus you then have some amount of additional ongoing maintenance cost for the structure which is also more than just that of a surface lot.

Law of the kitty.
CoMaps too!