.....or to put it another way: yet to have any evidence. And if you're going to operate under that metric, you could say literally anything. Comet Pizza still has a sex dungeon....... it's just that there has been no evidence of it yet.
The boobs one was clearly photoshopped. Biden had a bottle of JD in his pocket in the image. That'd probably kill him. And you're welcome to your opinion of what Biden is into sexually.