Post-Voldemort, the MoM is less corrupt. Kingsley is the Minister. The Malfoys did not go to Azkaban after Book 7 because they colluded with Harry. The Potters are distantly related to the Peverells, but so are many wizarding families. Dumbledore could see Harry beneath the cloak because he could perform a non-verbal ‘Homenum revelio’ - Winky is “still at Hogwarts” and fought in the last battle. JKR: “Hermione began her post-Hogwarts career at the Department for the Regulation and Control of...