Yeah, for home users.
Certain businesses have legal responsibilities to maintain security of data, and could face serious financial penalties if the data got out. Some Financial, Legal, and Medical operations come to mind.
For instance in this article, someone should get in serious dodo for the ATM hard drive that had data recovered from it.
Yeah, the article doesn't say, but the tech could have just tossed it without doing anything to it for all we know. Could be simple carelessness. May have even had a 'THIS IS FOR THE MAIN STREET ATM' sticker on it to help attract attention. :/)