The reality right now, is that for the vast majority of people (anyone sub $500k in investable assets) getting the kind of quality advice needed to navigate the complexities of investing is virtually impossible. This type of high-touch service is almost exclusively reserved for the high net-worth marketplace.
In a bear market like this one the likelihood that the returns of most mid-level advisor's and fund managers will outperform the management fees is not exceptionally high. This is why Vanguard's funds have received so much attention recently, they are a relatively safe, and very, very low cost, which addresses a big problem in this market.
That being said, they don't perform exceptionally well either, at least not by themselves as a strategy. Investing in the value of the stock market is a volatile strategy in the best of times, and completely fruitless in the worst. Value investing has to be balanced by an income generation strategy, usually one focused on equities that pay solid dividends and other income-generating investments.
http://www.theglobeandmail.com/globe-investor/investment-ide...
Even armed with that information, the truth is that people should ideally not be put in a position of managing their own finances. They regularly work against themselves, have emotional attachments to their losses and gains and often make out no better than a gambler. This is work for professionals in a position of trust with their clients. Unfortunately, professionalism and likewise trust seems to be in short supply in finance right now.
Furthermore, most people are not really even interested in being 100% responsible for their own finances. They may want a enough of an understanding of things to have some piece of mind, but most are no more interested in managing their investments than they are in fixing their own car or filling their own cavities.