Vanguard CEO Tim Buckley has reiterated his skepticism towards Bitcoin ETFs, expressing difficulty in seeing them as fitting into long-term retirement portfolios. Despite facing criticism from customers and ongoing inquiries about the firm's plans to offer Bitcoin exchange-traded funds, Buckley has maintained a strong opposition. This stance comes amid speculation and anticipation in the financial community regarding Vanguard's potential involvement in cryptocurrency ETFs, particularly with rumors about a Staked ETH ETF approval. Buckley's firm stance highlights concerns over speculation and the suitability of such investments for long-term financial planning.