Don’t confuse using a passive fund or an index fund or an ETF with simply becoming a “pure passive” investor. In the real world, there’s too much emotion involved with money for most people to stay put in one index fund. There really is no such thing as pure passive investing, just various shades of active investing.
In the second hour, a caller asks what he should do with his wife’s Roth account at Vanguard. Various ETFs are discussed.