Hemma Vara: Barbie is a problematic doll. So why do millennials still love her?

Barbie, starring Margot Robbie in the title role, has already been hailed as a feminist epic. Photo / Supplied

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OPINION: More than a billion Barbie dolls have made their way from toy-store shelves to children’s bedrooms around the globe since the brand launched more than 60 years ago.