This ETF might now have the highest yield, but it would be a mistake to ignore it.With a roughly 1.7% yield as of this writing, the Vanguard Dividend Appreciation ETF (VIG 0.56%) isn't exactly the highest-paying dividend ETF. Far from it.However, the point of this ETF isn't to generate current income. Instead, it invests in an index of stocks that are likely to consistently raise their dividends over time, creating a growing income stream.Why long-term investors should consider the Vanguard Dividend Appreci ...