The cyberpsycho hunts are where you find most of the evil corporation stuff. But that’s all told through notes and environmental storytelling. So it’s there if you’re willing to search for it, but it’s definitely not as big a part of the overall narrative as I expected it to be.
It’s because it’s stupid. The bottom answer is at least sort of similar to a simple rule for adding 9s. But the op is just so incredibly specific that it won’t help most of the time.