Ian, we'll have different views based on our circumstances. My focus is on preservation of capital. So if I'm at all fearful of eg GFC MK2 I will want to preserve most of my profits. It worked well for me when the GFC occurred.
Some people took the view "why sell? you're still getting your dividends and franking credits." OK, but if things get bad enough those dividends are not guaranteed either. And if you needed that invested capital for anything, at the bottom you had 50% less of it than pre GFC. I'm not up for that sort of risk.
A big difference between then and now is that the GFC was accompanied by a credit squeeze which forced the banks to offer pretty high interest rates eg 8%.
If one isn't paying tax then that's an acceptable enough place to park money while the market falls....
Julia,
Slightly off topic - While Australian banks came off relatively unscathed during the GFC, a possible 'GFC MK2' scenario could see a different outcome, considering their current high exposure to household debt. Would you weigh up the risk of a potential bank collapse versus parking your money in stocks?