I'll be the first to admit, it's the last thing on my mind. When you are busy working or even having fun, backing up can sem to be the last thing on your schedule.
So perhaps in one way or another, backing up can certianly make many repair jobs easier.
Here is a link to a PDF file you can pass on to friends and co-workers to hopefully make them aware that backing up data is important.
And, if you do lose your hard drive, they make great drink coasters and those magnets are awesome for keeping tools magnetized and handy in a workshop.