Though arguments by analogy are inductive reasoning, in cases such as this, they are more about non-rational means of persuasion, such as rhetoric, than the more deductive aspects of critical thinking.
"At some point during the Reagan/Thatcher era, we stopped talking about class as an economic category and replaced it with an understanding of class as cultural or ideological."
Of course, he never tells us when America was great. It's good enough that only he knows that it is no longer.
Post-convention season, the possibility that the electorate might be more unpredictable than Trump himself explains the increased attention now focused on Dr. Jill Stein.