Honestly I was told when I was younger it was often cheaper and easier to run things in the cloud, doesn't really seem like that's true anymore if it ever was
Most of the time, management is looking for the next "silver bullet" that is going to magically solve all their problems. They will latch onto the latest marketing gimmick and run with it despite having no understanding of how the "silver bullet" works or the impact it will have on their business. A decade and a half ago it was "the cloud". Now It's "AI".
Are there advantages to "hosted solutions" AKA "the cloud" AKA renting someone else's data center? Sure there are. For example, It's great for small businesses who need enterprise grade technology but can't afford their own data center. Cloud providers also offer services and scale that would be very difficult and costly to build out in your own data center(s).
But is it cheaper all the time? The answer to that is a definite "No". Like most other business decisions it's situational and there are a lot of facets that impact the cost. In my experience, one downside to hosted solutions is that it's very easy to make architectural errors that have high costs and no one notices until accounting is on the phone wanting to know why the Azure bill doubled over the last month and "Whoops!" Is not really a satisfactory answer.
Like a lot of markets big companies engage with, cloud services were operated at near loss levels for years. It's only when they had a sufficiently vendor locked and invested user base that they started cranking the costs, especially in areas you wouldn't otherwise notice. There's a reason everything is micro billed, and it's not to make it easier to lower costs on your end.
They push the idea of handing no CapEx, only OpEx! Think of the savings! They then try to make things look cheap like it's super cheap.
I was doing a test in Azure and forgot to delete the insurance... I'm just a could of days... $30. But my crappy repurposed gaming PC too home server.... I can do whatever I want when I want and never have to consider cost.