Margot Katz-Sanger left this point out of her scorecard on Obamacare. Since people are now able to get inursance through the exchanges, they are no longer dependent on getting it from their employer, which usually means working a full-time job. As a result, the number of people choosing to work part-time has risen by more than 2 million since the law went into effect. The people benefiting have disproportionately been young parents and older workers who are too young to qualify for Medicare.