Essentially it's a case of 'yep I know how to work MS Office and can switch on and use the computer, organise my files and get work done without destroying it.

Most technical types could do it blindfolded. I did the exams along with everyone else in our building but didn't do any of the training or revision.
It can be useful in getting everyone in an organisation 'up to speed' making sure everyone has at least basic competence. I hear quite a number of schools are planning on sending their teachers through it.