@alex Fair points!
In case this is meta about Nostr (or any other protocol where identity is a single keypair), I would propose that if you're unable to rotate keys at all, and have no concept of sub keys either, most identity services, as well as automations and integrations, are simply impossible to implement safely. So yes, while some challenges will inevitably lead to better outcomes, not all challenges can be solved by ignoring fundamentals I think.