If your failure mode is "Google loses my data", putting it in the secure safe is best. It's not likely Google will have data loss on the same day your house burns down.
What emergency could affect both you and Google, but not lead to the kind of apocalyptic situation where you'd prefer an extra first aid kit, food or ammunition to a hard drive in your go bag? Perhaps if you're on the US West Coast, a huge earthquake is a legitimate worry here.
it could though a couple of months after house burns down and you are kinda busy these two months and making a new onsite copy is not the main priority.
What emergency could affect both you and Google, but not lead to the kind of apocalyptic situation where you'd prefer an extra first aid kit, food or ammunition to a hard drive in your go bag? Perhaps if you're on the US West Coast, a huge earthquake is a legitimate worry here.