We pour our money into index funds with the understanding that they will continue to perform like one American index did for 2 decades during a time when a) ind

We pour our money into index funds with the understanding that they will continue to perform like one American index did for 2 decades during a time when a) index funds didn't exist b) index funds didn't make up 50% of all invested money c) the internet wasn't widespread. If your retirement plan can't accommodate Nikkei-tier growth, you are Wall Street gambling.