Excellent, my father will be really happy to hear this. Finally he will be able to communicate with aliens, who live inside the moon and observe us, directly. Or USA who actually welded the moon, which is just shallow metal shell or actually filled with oil.

This is exectly how language works! You saying "not what anyone" is already a statement that You yourself don't know how language works. One person thought outside of everyday context thus some think that way. Incorrect use of anyone much?

What it means for space to be empty or full. From physics standpoint even in vacuum there is still quantum foam.