Agreed. As they had came under attack from Islam for many hundreds of years before the Crusades started I think our Medieval ancestors understood the Muslims a great deal better than we do - and acted more forthrightly.
Syria and Anatolia were Christian - before the Muslims invaded.
It was nominally Christian (The Arian heresy in fact).
After the Reconquista, which involved the King of Cornwall and his descendants fighting a war against the Moslems (and everybody else with an interest in Spain) for the next 500+ years, Spain finally moved into the Christian mainstream. Roman standards were applied ~
So was a large chunk of Egypt..