Fashion says that they should , so they do. Plus, if you are a little short, it is neat to sit up high and look down on people. When you were growing up, trucks and SUVs were not nearly as luxrious as they are now.
I have read several questions and answers about why many boats have the steering and hand controls on the right (starboard) side . The answers generally have to do with tradition, international sailing and an attempt to counter the rotation of the motor (especially in small high powered boats)...
If you are serious about the car, spend the $180. If you really can't afford that , then you probably should not buy any car because it will break you.