I completely disagree with that, and actually, it's not me to say, numbers say a different story:
Period - Average Annual Growth All Weather vs S&P500
1973/2021: 9.60% vs 7.89%
1980/2021: 9,60% vs 9,39%
1990/2021: 8,64% vs 8.83%
2000/2021: 7,80% vs 5.77%
2011/2021: 7,55% vs 12,12% (the only...