I suspect that although world leaders appear to pay attention to Biden that no one takes him seriously. I’ve dealt with several relatives who showed similar signs of dementia. My guess is Biden repeats whatever he was told to say and then forgets it entirely. Also, it is unlikely anyone will take an order from him without checking with whoever they are used to taking instructions from.
The amazing thing here is the number of people who are forsaking their legal and constitutional duties to maintain their proximity to power.
Jake Tapper telling his audience that somehow Joe Biden had the authority to declassify documents as vice president
But recent and more egregious:
An MSNBC anchor (vaxxed, probably boosted) telling her audience that her issues with myocarditis and pericarditis are a result of the common cold. Same anchor who apparently was big on Trump/Russia collusion.
Unelected appartchiks with no compunctions about lying under oath to those who provide oversight.
Blatant abuse of power with an obvious two tier justice system.
Election chicanery moving from the shadows to in-your-face.