Googling around, I’ve seen a lot of users and journos claiming they are a jewish stereotype. I struggled to even compare them to what HP did. And as a partially jew, I’m really jealous of qualities these bigots paint and the thinking process Quark put to work. He’s probably my favorite character of the whole franchise.
Goblins don’t always look like that: https://www.britannica.com/art/goblin
But the art varies depending on the artist, and sometimes they are used like that. Just like tolkien apparently modeled his dwarves after Jews. https://en.m.wikipedia.org/wiki/Dwarves_in_Middle-earth#:~:text=Tolkien elaborated on Jewish influence,Tolkien said "The dwarves of
Here’s a racist cartoon from the 1940s to see how specifically HP lines up. https://collections.ushmm.org/search/catalog/irn544586