I think you’ve stopped reading the article too soon. If anything, the article says the opposite. TED has been an amazing success, just not in the way we think of it.

>> TED of course can’t be held solely responsible for the increasingly eschatological pronouncements of this cohort [the tech elite]. That would be, in a way, to buy into its hype too much. But as the most visible and influential public speaking platform of the first two decades of the twenty-first century, it has been deeply implicated in broadcasting and championing the Silicon Valley version of the future. TED is probably best understood as the propaganda arm of an ascendant technocracy. It helped refine prediction into a rhetorical art well-suited to these aspiring world conquerors — even the ones who fail.