Interesting. Sub in a Harkkonen for the mad priest with a taste for organ-harvesting cruelty. A nightclub singer in the role of a Bene Gesserit witch who is there for no obvious reason. (Plans within plans?) The Fremen are the little slaves toiling to extract resources/spice.

In the end, Short Round liberates the oppressed masses and greenery returns to the parched lands. In accordance with prophecy.

It could work.