It's not up to them to safeguard their stuff. While you may have heard moderators all over write "we only lose what we don't backup" here's a rather famous other fellow about the cloud.
http://www.cnet.com/news/woz-the-cloud-is-a-nightmare/
TODAY, I'm running into folk that used ISP WEB EMAIL for years and then they move or something happens and their email is gone. Another cloudy day.
Here's a Great reason to make backups of your work.
Folks here @ Cnet have been preaching to us for years about this.

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