Pfft, I can see you haven't thought about this at all so your arguments are not valid. Haha, jk.

Well, you make good points, basically. But just in case Jo eventually discloses like a full biography on Draco's wife, don't get too attached to the one you've come up with :/

(Haha, what will Lucius do once little Scorpius goes off to Hogwarts? If Snape was still around he could be bribed with peacocks to do it maybe, but alas! D:)