C'mon now.
If the Founders had had to choose between this tax system and the king's, we'd all be speaking Liverpoolish.
But, you do have a convert.
I doubt it will occur that this expansion was caused by GETTING RID OF some of this tax system. Let's get rid of it all, and replace it with something far more sane, and we'll see growth like you wouldn't believe.
His tax on the sale of tea wasn't anything close to 30%.