Perhaps the arc of my career is different but I've seen the opposite. I've been in Finance jobs where people who don't understand more advanced probability can

Perhaps the arc of my career is different but I've seen the opposite. I've been in Finance jobs where people who don't understand more advanced probability can't figure out how to price things. And even people with advanced knowledge make mistakes. I've also been in analytics jobs where college educated people mistake correlation for causality. (It seemed so profound when I learned the concept only in how often it's abused) I've seen people in customer support management make enormous judgment errors because they think don't comprehend the difference between a 500K account and a 1K account. Requiring calculus of everyone may not solve this, but requiring a couple years of hard (beyond 8th grade) stats could help. As for the CS/engineering/Math requirement for jobs - I think that's just a reaction to the weak rigor (on average) of so many other majors.