As noticed in the early pages, it's trying to argue against the "point" of religion, and misses the obvious truth that religious faith is an action taken by people, but a logical decision that choose to make because it has a "point" (if that makes sense).
I think a flaw of a lot of atheist arguments is treating religion as some kind of monolith that can be treated in generic terms. The Flying Spaghetti Monster could work in response to a pagan conception of religion, but it is a strawman and a non sequitur in response to Christianity. I'm reminded of when I was first converting to Christianity and I was told that it didn't make sense because I had scientific training and religion existed to fill in the gaps of what science could not explain, except this is a thoroughly pagan approach and is not actually compatible with the Christian understanding of faith. You see this also with tirades against "organized religion", which is a concept that is general to the point of uselessness.