On the contrary, Orszag agrees with you. The exact quote is: It’s hard to believe this is because the skill required to drive a taxi has risen substant

On the contrary, Orszag agrees with you. The exact quote is: It’s hard to believe this is because the skill required to drive a taxi has risen substantially since 1970. If anything, GPS technology may have had the opposite effect. (Acquiring “the knowledge” of London streets, as taxi drivers there are required to do, is cognitively challenging, but it may no longer be necessary.)