Not the whole Story
(blatant quote of an old post of mine)
The problem with these monitoring (bullying) systems is that they never give the full story.
Sure, you can measure how often a worker's computer is idle, how often the screen is locked, how many phone calls they made or answered today, how many forms they processed, how many keystrokes, etc.....
The problem occurs in the interpretation of that data. It can never tell the whole story. Low keystrokes? Could be a slack worker, or a worker who spent the day waiting to give evidence in court, or spent the day in training (giving or receiving).... The software can't explain any of that.
From the stories I've heard over the years, management don't seem to bother checking first before using the resulting reports to justify disciplinary action against the worker. The worker usually has no access to the report data, won't necessarily remember a day's work 1-2 weeks ago, and if he/she is called in to the manager's office, the onus is usually on the worker to explain the discrepancies, not the manager/organisation. It cannot be assumed that poor results on their own mean a poor worker, but all too often that's what management assumes.