In fact, they grasp it perfectly well, and it's what a good many of them actively desire. If you're wondering why many of these reverse-jihadists are untroubled by the Trump-Putin bromance, it's because somewhere underneath the residue of godless Bolshevism, there is Orthodox Russia's traditional imperative to bring Christianity to its surroundings.
Sound familiar? Russia is a potential ally in the Jesus pincer movement against Them Muslims. Consequently, the Trump presidency is the ideal time to relaunch the Crusades, but this time as a reality television show.
For a taste of the script ... the dude seems serious.
A New Crusade Must Be Declared Against Islam, And Christendom Must Rise Again To Have The Cross Crush The Crescent, by Theodore Shoebat (some crazy ass website)
The nations of Christendom will soon restore themselves back under the refuge of the Holy Cross, the Holy Roman Empire will rise again through divinely destined Russia, and the Holy Cross will crush the crescent.