Um, no. That is, to put it politely, a naive view of what a financial crisis is. I can express it less politely if need be.
I know we kind of hate authority here, but the guy did work on wall street for a number of years, and has written his financial newsletter for years as well.
I feel like the quotes I've made recently have been taken less charitably than is usual here.
Anyway, with this particular claim, I think it's meant more as a simplistic view that gets at some truth versus something that's always true, in which case that might be naive (although you didn't provide any counterexamples).
Another month, another rationality quotes thread. The rules are: