Knew it would be something like this to bring him to what he is now. But I feel there's more to it here.
The knowledge of the Weasley's using a flying car would be known but not by many!
dennisud
Author's response
Interesting thought though I would think that the knowledge that they received detention for the car in the willow thing would be common knowledge. Still, there is always more to it of the story wouldn't be any fun. Thanks for reading!
EJ