It sounds like they're building a super-root which can destroy your whole infrastructure at once ??? From their website: "Building and operating software today spans local machines, remote hosts, sandboxes, services, and production systems. It has many modes of operation: interactively with a human developer, automatically through CI and background processes, and increasingly through agents working in parallel. [...]…
It’s a terminal multiplexer. Nothing in this announcement suggests to me that using this multiplexer will require the user to get root or super-root or any additional permissions. It’s what the user already has access to, but more “durable” (which I take a mean terminal session history on by default). And I don’t believe any short-lived secrets like ephemeral keys could have their lifetime extended by a terminal multiplexer. And nothing really supersedes RBAC which any respectable org should be using always.