For those investing in S&P 500 ETFs (VOO/SPY/IVV), how have your returns been?

Looking at S&P 500 ETFs such as SPY, VOO, and IVV, the long-term average returns seem to be around 10–12% annually.

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Given that many investors aim for higher returns, what makes these ETFs so popular? Is it mainly the lower risk, diversification, consistency, or something else?

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Interested in hearing perspectives from long-term investors and those who compare them with individual stocks or other asset classes.