The crux of the issue is in his head:

Israel = Jewish and Jewish = Israel

Same thing with Biden.

Israel spent literal generations conflating the two and making people think they were the same. It shouldn't be surprising when elderly people act like they're the same.

What's important is making sure people that still have fully functional brains understand it's bullshit. And use it as an example for how propaganda can effect people so we don't fall for the same thing under a different topic.