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by bh42 5783 days ago
Well that's exactly my criticism: most of the author's objections boil down to "it's hard"

No, common English use of "it's hard" means something completely different from CS "hard". CS hard means NP-complete which to English translates as impossible. Impossible because of well understood mathematical reasons.

Quantum computers may solve it, indeed real life protein folding may have quantum computer-like properties.