Consumers don't backup because it's messy. The could takes away the messiness: backups (and all the other sysadmin stuff) happen automatically. It is an improvement over the current situation.
There is a similar case with businesses: businesses do backup because they have to, but it is still messy. Businesses like to outsource messy stuff that is not core to what they do to others, and these others are in the cloud again because it is cost effective. So you may use Google Apps and back up your mail on Amazon S3 if you are that paranoid about losing your data.
Consumers don't backup because it's messy. The could takes away the messiness: backups (and all the other sysadmin stuff) happen automatically. It is an improvement over the current situation.
There is a similar case with businesses: businesses do backup because they have to, but it is still messy. Businesses like to outsource messy stuff that is not core to what they do to others, and these others are in the cloud again because it is cost effective. So you may use Google Apps and back up your mail on Amazon S3 if you are that paranoid about losing your data.