Financial recessions are worse
Here's a link to a report that looked at the difference in recessions in terms of the cause.
it's important to keep in mind that this is no "average" financial crisis. It's the most severe financial crisis to hit the global economy since the Great Depression.
It seems to me this is going to be years before the market returns to old highs. One of the things that you do not see in the report is taking into account population demographics. Current population demographics, imho, means this is going to take even longer to recover from.