For multiple decades now, active management institutions have been predicting the comeuppance of market index funds. Every bear market, the siren call gets louder.
It's an index bubble ... market structure is going to break down ... you're fully exposed to the downside .... active funds will protect you from the worst of the bear market downside ... price discovery will collapse because everybody will index ...
We're still waiting to receive our shellacking over and above the shellacking you get from owning active funds during a bear market. It's been decades, but apparently it's coming ...