Area is just hard to discern. Manipulating the radius a little bit will alter area quite significantly (because its quadratic) but you won’t be able to perceive it. By comparison, height is much easier to see. So you can decrease the radius a bit and add height some and you can fool people.
The country take lots of debts and always pays them. By credit companies’ standard their credit score is crazy high. In fact, USA’s score is the highest in the world.