"Simple" "answers" resonate with voters who can't even name one of their own two Senators.  See Mencken, above.  

Lack of "Intelligence" or "Ignorance"; both can be used to a politician's advantage and have been for centuries in countries worldwide.

That's why 'sound bites' have so often been the currency of elections at all levels.   Trump's Tweets are merely the modern version of an old technique.  

That's also why Trump's Tweets so enrage the traditional media; he selects and publishes his 140 character or less message instead of the traditional media selecting the ones they wish to emphasize from a press conference or press release, etc.

The media frenzy, like the millions spent by the 1%  to try and stop Trump,  is the result of their dismay at the lack of control over him or his message.