So I spent days trying to figure out the monolith puzzle on my own, only hearing rumors that it was very hard. So I was a bit surprised to find that, when I finally gave up, that the solution was external, and no one has worked out how you obtain the code in-game. I was a little miffed, but then it occurred to me:
The game is about the gift of extraterritorial knowledge. The monolith is a direct nod to one of the most famous examples of this concept in fiction. So then, isn't it perfect that the solution to that puzzle internally is brute force (with millions of practical combinations to try), and the only quick way to progress is interference from an external source?