I think this is the strongest reason to avoid it, and I would have done the same. It's just going to lead the audience to weird places and confusion. And distra

I think this is the strongest reason to avoid it, and I would have done the same. It's just going to lead the audience to weird places and confusion. And distract from all of the other things Dune has going for it. Replicating the EFFECT on the audience of a book written in 1965 is really a big undertaking. Even if you ignore the rather blunt stereotyping and selective aspects of Islamic cultures that Herbert injected. Or carried over from another story, as was highlighted earlier.