The writer might be correct in his conclusions, but he went through some convoluted reasoning to arrive at the conclusion.
Those who respond positively to Trump are not confused. They knew how often they've been lied to in the past and how the present Republican majority they helped elect in Congress has done the opposite of what they promised during their campaigns. They see critical problems in the country and Trump is the only one who will address the problems honestly.
If candidates won't even talk about a problem honestly, they damned sure won't do anything about it.
“If candidates won’t even talk about a problem honestly, they damned sure won’t do anything about it.”
That pretty much sums it up.