Well, 2008 was 14 years ago. If QE was "the cause" then why did it take so long to have its effect? Whatever the reason, why isn't that thing "the cause"? It's

Well, 2008 was 14 years ago. If QE was "the cause" then why did it take so long to have its effect? Whatever the reason, why isn't that thing "the cause"? It's a bit like an unhealthy person dying from a heart attack. What's the cause of death: the heart attack or decades of unhealthy habits? And if the later, which habits and how should the person have changed? Even then, something is missing if the explanation omits the heart attack itself.