As had been suggested by many here, Trump supporters who blindly echo the right wing media mantra of “enthusiasm gap” neglect to consider the possibility that motivations to vote
against and motivations to vote
for someone are equally important measures of enthusiasm.
Trump, a decidedly polarizing figure that even some of his most ardent supporters dislike on a personal level, inspires tremendous “negative enthusiasm” from the electorate. Here, 538 examines the effect of “voting against Trump” enthusiasm and demolishes the “enthusiasm gap” silver lining often cited by the Trump campaign:
https://fivethirtyeight.com/features...siasm-problem/
It seems it is Trump who has an enthusiasm problem.