But it doesn't seem to be attached to his ear but rather to his face or mask. And the earlobes are different on different Biden's. Looking closely, it doesn't appear to be a bandaid. There's actually a dent in the middle which might make it easier to pull the mask off. The mask stuff also might not be enough to show something major is going on, but when added to multiple other strange things, like his small security detail driving him around in older SUVs, it leaves you with more questions than answers.