It's a pretty weak smokescreen. People thinking this is about "efficiency" should go work for DOGE. This has been happening for years now so the facade is long gone.
The reasons are as usual. Anticipating economic headwinds and how to make number go up despite that,s174 (sp?) changing how you amortize R&D, early attempts to incorporate AI into workflows, etc. Companies at the moment are not at all concerned with lean development nor streamlining workflows.
If you dislike managers generally, why would you think Amazon is firing them for all the reasons you personally dislike them as a class?
What is Amazon’s actual motive here?