Why should someone want/need to understand how the whole platform/significant portion of it works in detail? You just need to understand what happens at the bou

Why should someone want/need to understand how the whole platform/significant portion of it works in detail? You just need to understand what happens at the boundaries of the systems you build or interact with. This works beautifully when you need to scale a team. Trying to get everyone to know every system in intimate detail seems the wrong way to go about it (to me). It's a bank. I imagine they automate a lot of things that would be considered minutiae in other organisations. Every Lambda, every little bot is a service. I get your cynicism, and I'd have shared it a few years ago, but 1600 now sounds like a perfectly reasonable number to me.