Never keep your data and your backups in the same place. That’s true for in-office servers, data-centres and cloud. If you must use cloud, use two different providers for your own services and backups.

Also, have a disaster recovery plan ready, and exercise it regularly.

As a society we actually generate a lots of books. Future generations wouldn’t be missing too much without the internet I think. Also, not everything is worth preserving. Easily 90% of Reddit is complete garbage