Rationality is a lot like grammar: it’s good to have for any job, everybody learns most of what they’ll ever learn as kids, and you lose it when you drink. The main difference is that people don’t think of it as something to be learned.
As money-making operations go, there are quite a few that teach rationality without calling it that. QA and troubleshooting are both huge IT sectors that are entirely about applied rationality, and if you can prove that your rationality program benefits those organizations, you will get work from IT managers.
I woke up one time with both arms completely numb. I tried to turn the light on and instead fell out of bed. I felt certain that I was going to die right then.