Why are investors pulling money from Vanguard?

Could you elaborate on the reasons behind investors' recent trend of withdrawing funds from Vanguard? Are there any specific market conditions or changes in Vanguard's strategies that have prompted this shift? Are investors seeking higher returns or better diversification options? Additionally, are there any concerns over Vanguard's performance or fees that might be influencing investors' decisions? Understanding the underlying factors can help investors make more informed decisions about their portfolios.