We call it “his money” because in the world of all things progressive they view wealth, or income, as belonging to the State.   Progressives in a larger sense view wealth as a static amount of available resource, a single pie to be divided – the Scarcity mentality.

Therefore all production value, the income earnings of your labor, actually belongs to the State, and they alone will determine how much of their money you are allowed to receive.  It is, in its most direct sense, the essential tenet of fabial-socialism;  Which is, as you know, the essential ideology of modern progressives (Democrats or Liberals defined).

WASHINGTON – President Obama’s 2014 budget calls for a trillion dollars in new taxes, almost twice as much as previously thought, The Washington Examiner has learned.

“Of the more than $1 trillion in new taxes, about $800 billion is raised through the individual income tax system, about $125 billion comes from new excise taxes — including new taxes on tobacco and financial companies,” a source familiar with the president’s budget explained. “The remainder comes from reverting back to the 2009 estate tax parameters and other miscellaneous tax increases.” […]   (link)