What a nightmare! As you say, in the grand scheme of things it doesn't compare with genocide, war, AIDS, tsunamis, etc., but certainly a big loss for you that will require lots of time and money to replace.
Your reminder about backups is important. I do think we forget about all the things that *might* happen and it's not enough to have a backup or two or ten in a desk drawer, and even storing off premises doesn't guarantee safety. I lost my off-premises storage when we sold my late mother's house, which is about 400 feet away, so I'm currently trying to think of the best, most convenient place for storing them. We have a detached garage far enough from the house so that it wouldn't likely burn down if the house did, a flood is nearly impossible and a destructive earthquake is highly unlikely. But it's too cold here in the winter for storing an external hard drive and DVDs are impractical because of the size required for backups. Meanwhile, all the backups are in our house and I tremble a bit.
Good luck with getting your life back in order.