These folks won't go into cash at all. They're most likely a decade or more away from retirement, and they think as they always do "It'll come back before I retire". The ones retiring soon are the ones who went for the cash.
if someones portfolio is down 50% and you are 55 or less even maybe 60 years old or less they will not sell, the people who sold are 65-75+ who need the money to live now although they will probably have to go to work again lol