From my read of the proposal ES6 classes feel more like syntactic sugar for the flawed concept of new/constructor/obj.prototype, you still have to mess with obj

From my read of the proposal ES6 classes feel more like syntactic sugar for the flawed concept of new/constructor/obj.prototype, you still have to mess with obj.prototype to achieve some tasks (e.g. define non-enumerable property). I would stay away from it and just use plain objects with Object.create().