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Not sure I got your point. The only character therein described that will not be a beneficiary of nepotism is the gypsy. Your point is lost, these are only variant themes on the princess legend, above all things, the message sent to young girls is that the only thing that makes your life meaningful is to be a member of an important family.
Likewise to boys, that the only thing that will garner you attention and success is to be a iconoclastic usurper. Neither message is very useful to children in their school years.
And not that I want to get in a big debate about the social impact of Disney films. Please don't enable my intellectual wankery by responding to this.