Target date funds represent the ultimate, “leave it to the experts” choice for individual retirement plan investments. They are increasingly and overwhelmingly the default fund of choice for plan sponsors, due to their evolving asset allocation strategy that attempts to cater to every person’s retirement goal. If you really thought about it though, you’d see a flaw in the logic that one option (albeit an option that has multiple sub-options) can be appropriate for all types of investors. We are simple creatures and we frequently want simple answers to our complex questions.