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There are too many ETFs.
That’s not a knock on any particular provider or fund. This is a redundancy issue, or one of correlation. In the way that Henry Ford once said about his Model T car, as it started to fill the roads of America: “Customers can have any color they want… as long as it’s black.” That same lack of differentiation has infected the ETF business. The same way it did the mutual fund industry 30 years ago, when there were more funds than listed U.S. stocks.