He said that "thinking cracker is a slur is the funniest shit ever".
It's like how black people call themselves and everyone else "nigger", but no one else is allowed to do it.
BTW, blacks have a long history of being violent toward jews in the US, especially in NYC. Likewise, they have been violent toward asians all over the US. I know, I know, you liberals claim blacks doing bad is still white supremacy, because in your racism, you believe blacks have no agency.