There are a lot of rabbis in the USA and a lot of Jewish groups from Orthodox, strong Republican, anti-big government/big brother to the extreme left like J-Street. The MSM publicizes the views of those that please their readers and support their own agenda.
Of of this group, Nathan Diament, was a schoolmate of Obama, has close ties to him, and runs interference for him to Jewish groups. Maybe there is some payback to the Jewish community in Washington as he claims - maybe something more nefarious.
“There are a lot of rabbis in the USA and a lot of Jewish groups from Orthodox, strong Republican, anti-big government/big brother ...”
The political equivalent of bigfoot. They are rumored to exist but are never seen and there are certainly not enough of them to make a difference.