Don and Tom question whether the investment industry—and increasingly Vanguard—keeps creating new products simply to stay relevant rather than solve real investor problems. They critique Vanguard’s new Target Retirement Lifetime Income Fund, which combines a target-date fund with an annuity, arguing that it sacrifices liquidity, introduces inflation risk, and obscures costs. They also take aim at Vanguard’s new Active/Passive Model Portfolio Series, suggesting it adds unnecessary complexity a...