The biggest issue with Star Wars fans is they want to treat it like it’s deadly serious, rather than as a franchise for kids and grown up kids. It can deal with heavier stuff, like most of the great young adult fiction does, but it is abysmal at being dark, edgy or adult.
Star Wars is modern mythology for American culture.
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Relegating Star Wars to a simple adventure with "cool creatures and lasers" is why fans get annoyed/upset.
Disney/Lucasfilm apologists are declaring that American culture is childish, throwaway product.
There's nothing wrong with turning your brain off, but if you disrespect the culture, expect the backlash.