You can't govern in Haiti alone. You need sufficient cooperation from the losers so that parliament can function and the government can deal with the fundamental problems that makes Haiti the last on every list of human security issues in the hemisphere.
Many voters came very early, and some of the centers, particularly the big ones, were overwhelmed. But the patience of the Haitian people is formidable. And the will of the people to vote is truly impressive.
At this point it would be a very polarizing and divisive event that could fatally damage the effort to move Haiti forward.