Traditional diversification can leave portfolios exposed to unnecessary, and often hidden, risk. Portfolios that are negatively correlated to volatility are exposed to large coordinated loss events during market downturns.
Conversely, being positively correlated to volatility can be the source of considerable profit during market declines or crises.
Many investors hope that time will work for them, and not against them, but hope is not much of an investment strategy. If you are living off your investments, or hoping to, you must become a steward of time and risk. The alternatives are not appealing.