"They are not that concerned with economic inequalities and that millions of Americans, including children, live in dire poverty with no health insurance. They are not that concerned with protecting the environment and with militarism and wars that suck up billions of dollars which could be used to promote the common good."

How does the author know this? Does he really believe the world is divided into two groups, one of which is equally concerned about every conceivable issue (pun intended) and the other is concerned only about abortion? What evidence does he have that this is the case?  Answer: he's just making it up to make a point he can't make by providing evidence. Great article.