That's right serf! God wants YOU to go to The Holy Land. What's that you say? You don't want to die? Just look at yourself! What's to live for?
It's not like you even have the Magna Carta yet to provide you with the slightest semblance of a Democracy. For Christ's Sakes (quite literally), you work with pigs! And by that I mean you're a herd swine. And on top of your job, it's not like God is going to let scum like you into Heaven if you stay in this interdicted dump; So why not come kill The Turks! I Know, It's not like the Ottomans ever did anything to us dumb Europeans, save for provide us with the Astrolabe, and protect all of the master works of mankind, and show religious tolerance in the face of Catholic Oppression, but still... free tickets to Heaven!
So come, follow big Feudal dudes like Pope Urban III, Freddy Barbarossa, King Richie, and Some French Guy in a combined European, mindless arse kicken of some Enlightened Sunni...
God Wills It!