Well I wouldn't exactly call that common sense ethics, it sounds more like the old mafia rule to me, or the Taxi Driver ethics.
Besides, to me the dupers releasing all their stock at once would pretty much be the best they could do, so we'd start afresh and all that...
Anyway, I too think it's a good thing you can express yourself here, so we get your side of the story. I'm sorry to say that so far, I do not find you not very convincing.