He doesn't define smart. He doesn't define what it means to get stuff done. He doesn't convince me that there are a lot of dumb people getting stuff done. If there are, he doesn't convince me that they are much of a problem (hypothetical good teachers that teach ignorance isn't an argument, it's not even an anecdote). And even if they are a problem, he doesn't offer a solution.
If anyone was able to takeaway anything useful from this article, please share.