The intent and impact of the word was a lot different back then, certainly so outside of the US, but still, using a subset of humanity as a stand-in for an adjective is pretty grim stuff. Shows how little was thought of them. Like if the characters had instead become white from a flour mill explosion, it’s unlikely they’d have been described as being “as white as scampering little crackers”.
The intent and impact of the word was a lot different back then, certainly so outside of the US, but still, using a subset of humanity as a stand-in for an adjective is pretty grim stuff. Shows how little was thought of them. Like if the characters had instead become white from a flour mill explosion, it’s unlikely they’d have been described as being “as white as scampering little crackers”.