It's a good question. But I don't think the answer lies in the undeniable fact that there are so many Scots in the cabinet. The last Tory government was not nearly so accented yet doggedly retained these differentials. The answer lies, I suggest, in value for money. . . Scotland is the better investment. And that's the ONLY reason I can think of that Scottish independence has been resisted by UK national governments of every hue.