Orthodox Jews are NOT left in anyway, they are VERY conservative!!! I recently left my Catholic parish and found a wonderful Orthodox Catholic parish it is day and night!! I was ready to leave my Catholic faith until I found the Orthodox Church !!!
Well, I’m not sure Orthodox Christians and Orthodox Jews can be compared based on the name alone. I know that Orthodox Jews in Israel are on the right side of Israeli politics, usually. And Orthodox Christians here in the US are generally conservative. But Orthodox Jews in the US? I don’t have enough information. And it’s possible that Ivanka’s rabbi was being slammed by “Conservative” and Reform Jews too, not only Orthodox Jews.
American Orthodox Judaism has divisions. The main division is between the ‘moderate’ Orthodox Union and the conservative Agudath Israel.
At the very left of Torah-observant Jews is something called ‘open Orthodoxy’ which is generally a part of the Orthodox Union. Lookstein isn’t quite into ‘open Orthodoxy’, but he is on the left side of the Orthodox Union. These rabbis and congregations are usually called Modern Orthodox, and they do tend to vote for liberals. Think Rahm Emanuel and Joe Lieberman.