After Daneel's proclamation atop the Heavenly City of the Alliance, Eloise and Luther could only stare at his back and try to comprehend his words, while the king internally remarked about his own statement.
The truth was that what he was going to do was actually inspired by three separate things from Earth, but he hadn't told his sovereigns about the other two as it might not fit with the fake story he had spun regarding a book written about Earth.
And in fact, the second one wasn't even a scam- it was simply the way things were on Earth.
It could be explained with one word: oil.