I don't think the case is being made for genetic evolution but instead for neuroplasticity.
The visual cortex in humans is capable of very significant adaptations: https://www.youtube.com/watch?v=r1-TaR5ToKw
The visual cortex in humans is capable of very significant adaptations: https://www.youtube.com/watch?v=r1-TaR5ToKw
Evolution works a bit more slowly than that.