Karmic progression implies that we are kind of alliterating steps to life. There's alliteration, a kind of rhythmic structure. Once we're in time and space, the variable structures are somewhat limited.
I think all of the best nonfiction that has ever been made comes from the result of someone who can't stop thinking about a certain topic - a very specific aspect of a certain topic in some cases. And second, they got really good at figuring out what they had to say about it.