Earlier quoted context omitted.
What? Let's assume he's intelligent and has good diversification (eg. he mentioned bonds, stocks, home, and cash -- probably in a investment account). If all his financial positions got "wiped out" in a broad-sweeping financial collapse, then "cash in savings" would be equally worthless. In the meantime, he has a home to live in. Plus, most investment accounts give you easy access for withdrawals (eg. debit cards) or…
You're the second person to say this, but how would "cash in savings" be equally worthless? Maybe I'm not understanding, but it's pretty difficult to actually lose money in a savings account, that's the whole point.
If that happens its probably the financial amagedden anyway.
If the stock market falls by 50% i still have 70% of my portfolio. I'm OK with that.