I work in an outpatients clinic in a NHS hospital. Today 50% of my patients did not bother to turn up. No phone call to cancel, nothing. We have a waiting list for this clinic, and if these patients who did not attend had phoned yesterday to cancel we could have accommodated other patients.
So for large amounts of time today, myself and the doctor where being paid for doing nothing. No wonder we pay so much in tax and national insurance.