Key words. Injustice among the states meant that some states benefitted, some didn't.
I, too, would oppose any federal legislation which did this or which allowed this.
But legislation which bans the commerce of a product between all states for "the positive purposes of the General Government" is, of course, allowed.
Not on your best day.
So in other words you diametrically disagree with Madison. That's fine, if that's your opinion, but I'd advise from now on not invoking the Founders in support of your opinion.