Then you don't get the book, because it's pointing to God as the only source of meaning.
That's your interpretation. But it isn't the only one. Another one is that he shows how little we know and how fruitless certain types of questions are.
"Now all has been heard; here is the conclusion of the matter: Fear God and keep his commandments, for this is the duty of all mankind."
Which, given the context of the book as a whole, is a cop-out. It is more of a bone tossed out to the religious authorities than anything else.