I suspect that you're making too much of this. Protestants and Catholics had many wars. Thrty Years War. English Civil Wars. Many other examples. The Pilgrims came to Amrica to escape persecution by other Christians.
And its just a game.
"He and his followers were reviled and attacked by those who did not believe, but they were following the path that God had set for them and emerged triumphant, eventually unifying all Arabia under one rule."
Meanwhile Christianity is examined with all the critical thinking the writer can muster.
I'm frankly sick of "It's just a game/movie/TV show etc." What these all are are snapshots of a culture contemplating suicide. Culture affects us all, whether we want to whistle in the dark about it or not.