Because this event has an end. It's not based on some fundamental systemic problem; it's an illness that, in time, will go away. Whether there's 10 spikes or this is it, we know that it will end, and the markets may have priced that in. Why can't the economy pick up where it left off?
Does it look / feel like a deeper longer recession than 2008 has been priced in? (WTO)