I don’t think American Jews really care about Israel.
Heck, from articles I’ve read from leftist Israeli papers, it seems that even some Israelis don’t even care about Israel’s continued existence.
I would guess the ones that don’t have connections to Israel, don’t care about it. The ones that do, like those that immigrated here, children of Israelis, especially those that had family die during the Holocaust, may care greatly about Israel.
My opinion, we need Israelis to stand up and make their voices heard, rather than the lack of any noise from those without connections to Israel.