Then what is it if its not a sphere? I really don't see the benefit of manipulating images and changing the shape of landmasses. It really doesn't effect anyone.
You seem to understand how cameras work, but these images come from different satellites using different cameras, using different lenses. Also, NASA isn't the only organisation that sends satellites into space and have photographed the earth. If they were being deceptive surely other space agencies from other countries would have called them out on it.