Your article makes a great point. Authors who think that volatility diminishes growth also tend to think that diversification enhances growth. This is known as "diversification return" and its purported benefits are a myth unless market prices are mean-reverting. The following paper may be helpful to some readers:
The Limitations of Diversification Return, The Journal of Portfolio Management Summer 2014, Vol. 40, No. 4: pp. 65-76.