Because the thinking goes, that fomenting hatred of the “Other” will drive their voters to the polls, and you know to vote against those “Racist, Bigoted, Homophobes who are currently waging a War on Women, and want Grannie and the children to starve”, from the National Review:
What is going on? Increasingly, journalists who cover the White House are concluding that the smears are part of a conscious strategy to distract voters from Obamacare, the sluggish economy, and foreign-policy reverses; the attacks are intended, the thinking goes, to drive up resentment and hence turnout among the Democratic base.
Major Garrett, the CBS White House correspondent, has talked with White House aides who confirm that the administration is working from the theory of “stray voltage,” as developed by former White House senior adviser David Plouffe. “The theory goes like this,” Garrett wrote. “Controversy sparks attention, attention provokes conversation, and conversation embeds previously unknown or marginalized ideas in the public consciousness,”
Deliberately misstating information about key issues in order to keep certain issues before the public is often a premeditated strategy. “The tactic represents one more step in the embrace of cynicism that has characterized President Obama’s journey in office,” John Dickerson wrote at Slate. “Facts, schmacts. As long as people are talking about an issue where my party has an advantage with voters, it’s good.”