I was listening to a podcast about this not to long ago. I would guess like some app that is password protected where the actual nsec isn't divulged like Alby or something similar. Then when you no longer want to give access you can revoke priveledges. I can see this being necessary for business accounts. Lucky my businesses are one man shows nostr:nprofile1qqsxj4n587mmst622s38w4ks2s9f0sta3r9vax9eqj7jd985yy4vfwgppamhxue69uhkumewwd68ytnrwgqs6amnwvaz7tmwdaejumr0dskar40c and nostr:nprofile1qqs0lk85lzyctz5n2mpnlfkeqpz5lhdu4ng3vyg3jjlz9zjsxt7guuqppamhxue69uhkumewwd68ytnrwgqs6amnwvaz7tmwdaejumr0dsgy9rje... So I don't have an issue. Though only some apps let your toggle, like Amethyst...