The needs of the first adopters aren’t the same than the ones of the late ones.
(That’s how couch surfing never became Airbnb.)
Discussion
Just to be clear, I agree we need a solution for the mentioned problem. For now it's maybe fine to just go cry (maybe nostr:npub1t6jxfqz9hv0lygn9thwndekuahwyxkgvycyscjrtauuw73gd5k7sqvksrw will let you enter his forest for some extra comfort).
Somewhere in the future we will need something like key delegation (by default).