Pure Functional Programming Is the Biggest Breakthrough in Front and Programming Since Ever

pure functional programming, according to richard, it's revolutionary. Elm is the biggest break through in front and programming since ever,. if i understand him. Em so if this pure functional programming style is so powerful, why isn't it more popular? The reason, richard says is people are just teaching it wrong. I think there's a really big gap in how effectively haskall is taught versus how java is taught....