And yet, no much complains about lost GMail letters in internet because of disc failures.. And GMail is likely stores much more than 10 trln objects and 100TB of data.
I think a much bigger scandal is that all major laptop Operating System vendors (Microsoft and Apple) absolutely know when your laptop drive loses files or even is starting to go bad in some cases, and they NEVER tell the customer. I think an excellent product offering would be a 3rd party piece of software and cloud service which was a "verification service". It wouldn't store your files offsite, it would store the name, size, and SHA1 offsite and periodically check that no bits have been flipped on your local drive unless you intended it. For example, a week after I take a photo, I absolutely never want the photo to change. Ever. Same with music I (legally) download.