Despite it being aw some, you still have to pay for public cloud, and it’s pay as you go:
‘“Cloud is an inexpensive and easily accessible technology,” the infrastructure survey concludes. “People consume more, thereby spending more, and forget to control or limit their consumption."’
So:
“the market analyst found that 34 percent of enterprises polled said they have over the last year moved applications and data from a public cloud to either hosted private or on-premises private cloud."
Original source: The Hidden Costs of Cloud Adoption