I don't know exactly why this isn't done. Someone else mentioned this, this was my response https://news.ycombinator.com/item?id=20645457 https://news.ycombinat

I don't know exactly why this isn't done. Someone else mentioned this, this was my response https://news.ycombinator.com/item?id=20645457 https://news.ycombinator.com/item?id=20645457 I don't think anyone has to update their keypairs if they get promoted. They would only get promoted if their sibling is blank. In that case, they can just take their parent's keypair and not worry about anyone else having it.