This is intentional. We initially had the point primitive in early versions of Codea and I decided to remove it. Leaving the function there for backwards compatibility and removing it from documentation
We also have a pointSize() function for setting the render point size. Not sure if I should remove these entirely
hm, ok. kind of needed them for asteroids, but bitty little ellipses work.
I believe it runs the same code as ellipse internally and uses pointSize as the radius