Passive Investing - Too Much of a Good Thing

When Boring Became Beautiful for Stock-Market Investors
https://www.wsj.com/finance/investing/index-funds-investing-stock-market-f747f46f
Index funds were first considered nonsense. That nonsense now rules among many individual investors.
 
The Dominance of Passive Investing and Its Effect on Financial Markets
https://merage.uci.edu/news/2024/10/The-Dominance-of-Passive-Investing-and-Its-Effect-on-Financial-Markets.html
 
Passive Investing and the Rise of Mega-Firms
https://personal.lse.ac.uk/vayanos/Papers/PIRMF_RFSf.pdf