Earlier quoted context omitted.
I would add to this by positing this is not just American culture. I think all people are religious by nature, even the most rational scientist has their inexplicable religious rituals. My thought on this is that the world is simply too complicated to operate in, and everyone is looking for a system that has the answers. It is a form of compression. You don't have to handle the flow of complexity because someone else…
I do agree with the general point: people need answers, so they usually keep some postulates as true without further discussion, and build reasoning on top of them. This makes a lot of pragmatic sense. Science, though, does notice its own epistemic instability, so to say. It understands its limits (reproducible phenomena on which statistic methods work), and ultimately agrees that the very base of it, the hypothesis…
It seems we are mostly in agreement. What I am trying to get is many people do look towards "science" and "reason" as sources of salvation. Regardless of whether or not science advertises itself that way.