In fact it is almost a validation that the present wind plants being built are uneconomic over the long term.

No.wind producers  are economic on average but the way markets are sturctured means that there is price volatility, which they are not able to tolerate for very long. Gas is more expensive, but closer to market prices, and thus thrives more.

Is that what you mean by "economic"?

In the long run, we're all dead. John Maynard Keynes