isn't it odd that "first party / third party" and "first world / third world" are both dichotomies between "first" and "third" but for completely different reasons

dyke, poetess, games writer, &cet.
wow! this lesbian can pierce space and time!
isn't it odd that "first party / third party" and "first world / third world" are both dichotomies between "first" and "third" but for completely different reasons
There's also first person / third person, they love defining a second that nobody uses