[MirrorField]

You shouldn't read too much about "War on Terror" in Dune: Original trilogy was published in 1965 and Frank Herbert himself died in 1986.

ObQuote:
"When politics and religion travel in the same cart, the riders believe nothing can stand in their way. The movement becomes headlong -- faster and faster and faster. They put aside all thought of obstacles and forget that a precipice does not show itself to the man in a blind rush until it's too late."
--A Bene Gesserit saying

[Nachum]

Seems there is a lot to read into it.