I'm pretty sure we've covered the topic that it's absolutely possible to come up with something like the BoM in the amount of time it was written...

Want to come up with your own work of fiction? Each November, a bunch of semi-illiterate farm boys (and thousands upon thousands of literate college grads, and a bunch of other people) write novels at the rate of approximately 1,667 words per day. If you want to play (write) along, check out: http://www.nanowrimo.org/

I was thinking this year I might dictate my zombie thriller novel out of a hat (or maybe a paper bag for variation and my cat's pleasure)...(or a (carafe of coffee?), and sell it as a religious text.

The mercury vapors help you get to a kind of off-the-wall, edgy, stream-of-semi-consciousness zone that often results in the kind of novelty that publishers are looking for.

I understand that Joseph Smith continually passed out due to having his face stuffed too tightly into the hat. He repeatedly came to after a few minutes. He would say, "and....[long pause]...I came to after passing out again." The scribe didn't know what to do with that, so he simply wrote it down as "and it came to...pass."

;o)