It is about being fat. Fatness is not a symbol, my dude. Fat people are human beings. Not metaphors. Sort of like how Black people are not metaphors for sin and Jewish people are not metaphors for corruption. See how stupid that sounds? Because it’s stupid. Humans are not living metaphors.
Know how Moby Dick could have been used as a metaphor? By using a literal goddam whale. Kind of like in every other movie where they use a metaphor that is an actual metaphor, and not a person.
You know. Like writers do.