So according to this, it was the Democrats and their embarrassing mishandling of the situation as well as the media that are responsible for Biden's cratering numbers:
View: https://x.com/cornellbelcher/status/1811121156633808903?t=RJSzdqygbr9tJ2GdDzYycg&s=19
Well yea, I think that's been obvious. The Dems dragging on this story is what's causing the damage.