Earlier quoted context omitted.
Agreed - it's what the average investor should do. Even if it's really hard to beat Index Funds consistently, there are two factors that will make active trading always important: 1. Some people will beat the market, and regardless, someone has to try or there's a massive opportunity left on the table. 2. Indexing actually has more of a certain type of risk than passive investing, because if you take a huge loss for…
Your second point has nothing to do with indexing and everything to do with asset allocation. If you're nearing retirement, you shouldn't be holding risky assets like equities.
That is not quite right. When entering retirement, most people can expect to live for at least 20 more years, which means they should hold a non-insignificant fraction of their wealth in stocks.