"I assure you, no one has had the time to Imperius me. Nor would anyone bother. Oh, sure, they'd get into the head of a dragonologist... but what good will it do them? Unless they're going to begin fighting against you lot with a brood of dragons, my specialization isn't going to help them any." Already long leaving other topics in the dust, he continued on.
"Don't you be dodging my comment either! A Weasley owns a profitable business like this and I, an ever trustworthy and faithful supplier to you, get left out in the rain while you two sit high and dry on your golden thrones." It was hard for him to keep a straight face as he harassed his younger brothers, because he really couldn't be serious about such a thing.