On efficiency and resilience in IT

Years ago, I was in a meeting when a C-level executive proclaimed: IT systems run at less than 10% utilization on average, so we're moving to the cloud to save money. The logic behind this was that you could run systems in the cloud that were the size you needed, rather than the size you had on the floor. Of course, this particular claim was specious. Did he know the average utilization of our…