Like classes matter. JS doesn't even have them, not in ES6, not in ES7. It's all just sugar for prototypal inheritance, which has nothing to do with OOP. I don't see any future for OOP in JS land. They'd be better off investing time in reducing side-effects, and the enormous size the library sports.
We're definitely considering optional module based systems instead of OOP, but it's still too early. https://github.com/reactjs/react-future/tree/master/07%20-%2...