remember the illustration well. A self published, devastating suggestion by wt writers. because in the long run,
Students always come up with better solutions. see the Brahe, Kepler, Newton, Einstein chain of advancement.
Unlike wt old light, the equations of Kepler still work roughly for small orbiting objects.
wt is deadly afraid of exposing their problems to public scrutiny and listening to solutions, worse yet, to have the whole class see the comparison between their dysfunctional doctrinal house of cards and reality.