Millions are too busy struggling to stay afloat and looking after their families to go into political detail. Many put trust in local news.
That's one reason why well placed, powerful, hard-hitting fact-based tv ads are as important as pushing important facts, as McConnell's obstructionism, by word of mouth to everyone everywhere. It's paramount.
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”