Points of Graphic Oval

[Sannyasin Brahmanathaswami]

HH wrote:

    A circle is, just like a Bezier curve, a mathematical model, for thinking,
    doing mathematics. Not realizable in our virtual world.
    What you can have and what you see are (more or less good) approximations
    to that model, here nothing more than simple polygons.

But then, as the circle/oval got bigger one would see 360 "sides" but we don't. So, how is it a "simple polygon"