Literally linked to the wiki that debunks the claim.

Game theory has been APPLIED to economics; often misinterpreted.

Greed ,in our late stage capitalist environment, IS the sin that will doom us, however, pushing people away from ideas that can better explain conflict and collaboration doesn’t help.

Hell, in my opinion, game theory’s largest contribution is in support of the theory of evolution, which, some how politically, flies in the face of actual ignorance.