Productive as in "has produced something." I agree with bulk of what you're saying here, but my point was about barrier to entry, not being good or even great at it.
It's fair to point out, considering that the general attitude towards React is that it's some panacea of simplicity, shining down from atop the mountain upon the unwashed masses. We still need developers in this world. :)
Just wanted to add some additional infos :p