I have been uncomfortable with the tag "religious war" for some time and your post has brought that to a head, as it were.
From the view of the Islamic Supremacists this is absolutely a religious war, but looked at from the side of the civilized
world it is a war for survival with no religious overtones at all. Civilization has too many religions involved to call it
"religious" as that moniker has always been applied to a conflict where one religion or the other would end up as the
victor; that is not what is happening here.
Islamic Supremacists want to make Mohamed's nightmare a reality: the entire world under the heel of an Islamic theocracy.
The civilized world simply wants to preserve itself, free to pursue it's own course free from any theocratic restrictions.
The Supremacists feel they are doing Allah's work and have him on their side, while civilization believes they are following
their God-given right to self determination; in that regard I suppose this could be viewed as a "religious war" but it still
seems more a clash between 1400 years of civilization versus that same amount of barbarism.
No matter how it is viewed philosophically this is a war for the survival of our civilization, nothing less. Our role models
should be Charles Martel and Vlad Dracul; our battle one for extermination of Islamic Supremacism, as brutal as that is.
The alternative is condemning our children, and their children, to a life of misery living as dhimmis under Sharia, their very
lives forfeitable at any time at the whim of even the most insignificant of their Masters.