You're right, but most people coping and hoping for an external savior that will never come is not feasible.
There's no way to make everybody happy. Eventually men will have to ignore everyone's feeling and work on (re)building a society that works, grows and is able to solve difficult problems by itself.
It's quite hard to know how the new social contract will be since we aren't sure who will survive the purge, but resilience and courage will become mandatory by default. Pain will ensure it.