Redditor tells nasty lies about the Jews

I think we should judge people based on their actions not what a book says...

But some of the things argued on the site you link are wrong like

A Jew is not required to return a non-Jew's lost item — but the reverse is also true – a non-Jew need not return a lost item of a Jew.

The Torah says that a Jews don't have to return stuff to non-jews but it never says that a non-jews don't have to return lost things to Jews. The absence of probation doesn't mean it is permitted and stealing is considered a crime to all the children of Noah(Jews and non-jews).

I'm not going to judge people because their ancestors were buttholes but that doesn't mean I'm going to accept being lied too.

Especially bad given that one of the antisemitic lies is that Jewish people lie about the contents of the Torah.