What I think is the really cool part about this is that tailscaled is able to store its state in a Kubernetes secret on the fly so that it can dynamically updat

What I think is the really cool part about this is that tailscaled is able to store its state in a Kubernetes secret on the fly so that it can dynamically update itself and handle being restarted on a new runner node. This isn't the same as true multiple nodes with the same IP, but when combined with automatic restarts it gets way closer to that in practice than it has any right to.