He’s right and wrong. The dint like the obligations of Judaism, but they like the Jewish principles enough to want them codified in liberalism and enforced by governments.
Socialism is an earthly Judaistic movement, supported by earthly Jews.
Socialism is not Jewish. It’s anathema to Judaism.
Are plenty of Jewish people socialist? Sure, just like gentiles.
Socialism is an earthly Judaistic movement, supported by earthly Jews.
This is utter nonsense.
Judaism doesn't have "principles." It has commandments.
The whole purpose of obeying commandments is to submit to the Divine will. And it doesn't matter whether the commandment is the most rational and easily understandable in the world (thou shalt not kill) or inexplicable like the red heifer or the broken-necked she calf. Commandments without G-d are not commandments at all.
Only stupid liberal Jews (and apparently some conservatives) believe that there is anything Jewish about socialism.