Value stock funds shy away from expensive stocks, so if the market bursts, these funds don't have as far to fall,

That property has extraordinary value.

It raises the bar for commercial products, because vendors have to offer value on top of what open-source solutions can give you.

It will be considered a one-time adjustment, rather than any real growth in a company's value.

If someone has 10 or 20 years, daily fluctuations in the market don't matter at all,

If a fund has $100 million in assets, it means it's a real player, ... The Neatest Little Guide to Mutual Funds.