Nope... never said nor implied that at all. It's in the title even... his age isn't a factor. Trump is only 3 years younger and much healthier and brighter and on the ball than is Biden.
His dementia most likely was made worse from the horrible jab that he kept getting repeatedly.
actually the truth is quite the opposite because literally everything in your meme was wrong because once again in a deranged frenzy blamed vaccines for something that has absolutely nothing to do with vaccines.