The writer's "dig" was directed toward those that deliberately confuse legal and illegal immigration. And unless you believe the writer was referring to illegal immigration, it looks like his "dig" was directed at you.
Legal immigration is conducted nowadays mostly through random lotteries and family reunification - not on the basis of the dedication and gifts that the new immigrant will bring to the US.
We can afford to separate the Felipes of the world from those less worthy of the name of US citizen.
His dig was directed at those who think, contradicting the WSJ editorial page, that uncontrolled, random immigration is an outdated policy.