Yes, and those are all valid points that I will willingly agree with them. However, most times one comes into a movie to be entertained and if one does not come into Citizen Kane with the correct mindset, it is a completely unenjoyable experience. Dune is actually similar in this regard now that I think about it...
"Aras ∂a bi ronde rof oretta,
heard under helme, hiori-sercean bær
under stan-cleofu strengo getruwode
anes mannes; ne bi∂ swylc earges si∂!"
Trusting a 'loth is a lot like keeping a snake for a pet. It's not a matter of 'if' you're going to be bitten, but a matter of 'when'.