FWIW, never happened to me with Synching, but either way it's best to separate sync software and backup software. Sync might work flawlessly, but the user might

FWIW, never happened to me with Synching, but either way it's best to separate sync software and backup software. Sync might work flawlessly, but the user might make a mistake which would quickly wipe the files across all devices. I use borg for backups, highly recommend