"And it turns out that hope isn't necessarily linked to a person’s current circumstances. Folks living in a poor community can still believe their children's lives will be better, and people working in a reasonably secure local economy can still despair for the future. Rothwell's work suggests it's the communities that have seen the least societal change that are most likely to support the New York billionaire—by and large, they have fewer immigrants, fewer lost jobs, fewer impacts from global trade. People who have lost something aren't voting for Trump, at least not uniformly. It's the people who think they're about to lose something."
Andrew McGill at The Atlantic asserts that, regarding support for Donald Trump, "the real dividing line is optimism."