I feel like we need a mesh backup system. Each friend or family member sets up a node in their house for backups, but your node doesn't store *your* backups. It stores everyone else's backups. Then everyone has off-site backups.
Something as simple as friend codes or something to join a mesh. Something simple. If it needs a sysadmin, try again.
Yes, there are plenty of details I hand-waved over. Encryption, enforcing fairness, etc.