There is one group missing when we go designating those who use the resentment of populism to their advantage: the left. For example, their attempt to cap credit card interest rates, on the basis that borrowers know not what they do:

If there is any lack of understanding, I believe that it is an induced, or artificial, one in a situation where there is little motive to understand and every motive to misunderstand. Such people as indebt themselves on credit cards apply their intelligence (which is not lacking) in other ways and to other matters. Indeed, to indebt yourself when you know that, ultimately, you face no very severe consequence for doing so, other than intermittent anxiety, could be interpreted itself as a form of intelligence or rational calculation.