Oliver Twist Syndrome

Y’ know how the point in Oliver Twist is that working class people are just as good as posh ones (sorta) but in order to make Oliver sympathetic Dickens gave him a posh background and most importantly gave him a posh accent and wrote his speech in a posh dialect?

It’s interesting to me how working class people are only sympathetic, are only relatable, are only given cultural space when they can speak bourgeoisie.