I agree, this is too long for this type of forum. It should find a place on a focused blog where readers expect something like this.
And it's his first post that isn't totally filled with logic flaws and false reasoning. There are some good points here, the best of which is noting the need to put things in their proper historical context. One of the few modern writers to do this when considering the Crusades - and to comment on the need - is Richard Fletcher in his The Cross and the Crescent.
Aqw is - in my critical opinion - primarily an autodidact. Nothing wring with that except that it tends to produce writers who stuff words in a shotgun and shoot them at the page. I'd much rather see articles like this but in a much more concise form.