Poor grandma. This is exactly why we should always have a backup location for our hard wallets. Even if we don’t anticipate these things, they can still happen. It was not only her house that was lose but she also lost her Bitcoin investment. It’s a tough situation, but it’s a strong reminder of how important it is to have proper backups, and things should be planned ahead.
That really sucks and we hate it to see someone lose their savings because of that devastation. Each of us needs to find ways to keep our assets and private keys. Back-ups are important but not through the cloud but through physical ways of keeping it. Not to be bias, I hope that all of the people that have been affected by wild fire in there will recover and start again with their lives. I know that it's tough for most of them that don't know how to do it from the beginning but as long as they live, there's still hope.
That's my mantra in life as well - "as long as we live, there's hope." If you give up easily in this life, you will fail. But if you will continue, sooner or later, you will just remember those dark days and be grateful that you have surpassed that stage.
And when it comes to say back-up of what we have, we have alternative options being considered like how are you storing your funds, whether in crypto or regular fiat. Each mode of funds has their own way of storing and keeping for safety purposes. It is your prerogative how you will keep them for your own security.