Originally Posted by
Qwertystop
But at the same time, it's a world where bloodline and inheritance are made more-important by both sides of the core conflict – constant reminders that Harry is so much like his parents, his protection from his mother's spell making it necessary to stick with his only remaining family even though they're horrible people, he got his money from an inheritance, the Hallows thing at the end only worked because he inherited the cloak, and on and on. There was every opportunity to repudiate the whole thing about lineage being important, to say that only the villains believe that, but when it comes time to commit to what actually works in the setting... blood will out.
(and then he becomes a cop by the epilogue)