Did you ever think the reason for those old conspiracies was because he was already seen as in decline? And was being covered for?I don't see how that would be "good for her and the party".
It splits her focus from campaigning, it opens up all the old conspiracy memes the right was running for ages that she was secretly going to be installed instead of Biden immediately in 2021, and it means she spends three months with no VP and Mike fucking Johnson as her successor if someone manages to get her killed.
It doesn't seem to have a lot of upside.
Because they sure as hell did just that more recently.