>demands a pound of flesh… jewish?
It comes from The Merchant of Venice and is spoken by Shylock, a moneylender, who is an outcast in Venice because he’s a Jew. When playwrights put Jewish characters on the stage they presented them as villains. Actors who played them were subject to abuse from the audience and had to dodge missiles.
‘A Pound of Flesh’, Meaning & Context
https://nosweatshakespeare.com/quotes/famous/pound-of-flesh/
It is true that Shakespeare presents Shylock as a bitter, Christian-hating, money-grabbing, stingy man,
Shylock, The Merchant Of Venice
https://nosweatshakespeare.com/characters/shylock-merchant-of-venice/