There can be several large issues with target date funds. 1. Ignores income streams from things like social security, reverse mortgages, held away assets 2. I

There can be several large issues with target date funds. 1. Ignores income streams from things like social security, reverse mortgages, held away assets 2. Ignorant to future medical advances that could change life expectancy 3. Built on past assumptions of bond yields and interest rate levels 4. higher fees than an equity ETF 5. large discrepancies between each one 6. Bonds are not necessarily less risky than stocks. As yields drop, bond convexity is high, meaning the bond price will be very sensitive to interest rate changes