Not in the least. The world would remain restored and protected, and they would have their friends and comrades back. After that, creating new beings to populate the world would be of no consequence. That was the purpose of Elpis, after all, to begin with.

A perfect answer... for those unable and unwilling to grown and learn from what pain they have endured. A retreat to a perfect paradise lost, rather than one rebuilt. Proof, in other words, that our society had failed. That it had no ability to handle suffering, to handle living -- that Hermes, for all his cruelty and folly, had not been wrong about us.