Unfortunately, there is a propensity among many folks to go with their gut rather than heeding the results of a cool-headed intellectual appraisal. Further, that approach seems to be more common among so-called swing voters, i.e. those that could possibly be convinced by arguments.
In other words, he cannot "do so". The question we need to ask is whether that's relevant in any meaningful way.
"The idea that the market will solve such things as environmental concerns, as our racial divides, as our class distinctions, our problems with educating and incorporating one generation of workers into the economy after the other when that economy is changing; the idea that the market is going to heed all of the human concerns and still maximise profit is juvenile. . . Are we all in this together or are we all not?" - David Simon, creator of The Wire