... the response to how it is uneconomic if having wind in the mix reduces the average cost of power only gets repetition of the claim that its uneconomic.

It is 'uneconomic' if value is denominated using an intrinsically worthless value standard such as $, € or £.

It is 'economic' if value is denominated using an energy standard or other real world value standard.

"The future is already here -- it's just not very evenly distributed" William Gibson