The point is, when people seriously ponder if we lived in a simulated universe but have nothing but scorn for religions, it is not so much rational as cultural. In a sci-fi geek subculture, simulation is cool, religions not.
I hesitate to mention this, but I believe there was a period where a crankish LWer or two was advocating religious belief on simulator-god grounds. I think it had more to do with intellectual hipsterism than anything.
Your culture point is also discussed in this Slate Star Codex post.
See here for an example of the crankish intellectual hipsterism being referred to. Also, we should be careful to distinguish theistic beliefs from religious ones.
This thread is intended to provide a space for 'crazy' ideas. Ideas that spontaneously come to mind (and feel great), ideas you long wanted to tell but never found the place and time for and also for ideas you think should be obvious and simple - but nobody ever mentions them.
This thread itself is such an idea. Or rather the tangent of such an idea which I post below as a seed for this thread.
Rules for this thread:
If this should become a regular thread I suggest the following :