I agree scripting can be done top-level but it’d be shocking for it to be used for device management. These OS ideas are coming back to topics like microkernels, where you want to give applications part of the OS responsibility and hope they don’t crash you. I’d imagine that the scripting language can offload a lot of functions, but it’d just be glue on top of complicated accelerator mini-kernels, which themselves have native code programming e.g., some JSON state machine.