which is precisely what Trump does. His popularity as at 40%.
While polls missed the electoral college, they didn't necessarily miss by that much. With the popular vote swinging in HRC's favor by 3 million, the polls likely weren't far off.
http://www.independent.co.uk/news/world/americas/donald-trump-us-president-approval-rating-one-month-historical-low-bill-clinton-a7586931.html