Even more that in Hayek's days, the ecology of the real world is becoming too complex for Aristotelian logic: very, very little of what we do can be safely formalized, meaning asymmetries matter more than ever.
Mathematized Frauds in Medicine (birth and death of iatromathematics): Aside from the Aristotilization of Medicine with the Galenic method (imbued with logic and rationalizations after Aristotle whom Paracelsus who scorned any form of learning from words called "the great illusionist"), there have been forgotten attempts to mathematize medicine.
Thierry, veuillez recevoir l'expression de mon respect le plus profond. Iatrogenics only entered my private vocabulary quite recently thanks to a conversation with Bryan Appleyard; I have been haunted by it since then.
How can such a major idea remained hidden from our consciousness?
[ I encountered the same insults later with the charlatan Philippe Jorion who considers not wanting to be a turkey "nihilism".
I also encountered the same with another intellectual fraud, Robert Merton with his "these are the best models we've got" (they never consider that "nothing" may be better that the best model).