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Maybe critique his ideas instead of his predictions. Piketty is an economist, not a future-teller.

What's the significance of his "ideas" with respect to economics if they don't lead to actual predictions?

Why did he decide to make these predictions if his ideas supposedly have no bearing on how predictions are created?

Does economics no longer even have the pretense of being a science, which by its very nature exists to make testable predictions?

If we are going to start discounting economists based on failure to correctly predict things like - interest rates - then you’re going to be chopping the entire mainstream field. If any economist was ever beholden to making accurate predictions, the field would currently be vacant.

Economics isn't a science. It's a vibe check. That's why unprofitable companies make up a majority of the stock market.

If he is confident enough to make economic predictions, it’s only fair that we take him to task on these.

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