These people are largely salesmen.
Nor are these patterns totally new. George W. Bush campaigned against "nation building" (sic: nation destroying); Bill Clinton campaigned as the "man from Hope" for the little guy; George H. W. Bush claimed he was a compassionate conservative. All backed corporate power and finance. All waged aggressive war.
Read on:
http://www.counterpunch.org/2017/04/17/92072/