EDIT: Sorry for scaring people. Listen, I HATE keyloggers and other invasive software. Here:
My point was that I can see a legit need for low-level auditing by whoever owns the PC. Including such a package that's turned off by default, might be better than forcing a worried parent to sift through 12 keyloggers on Google, half of which are malware, a quarter of which don't work, in order to find out if her 12-year-old is composing YouTube dances and uploading them to 4chan.