It only omits. The argument has to have just enough truth for people to believe it. In this case, though, the propaganda creates some crazy disjunctions. For example, polls show that Americans are concerned about education, but when you ask them about the schools in their own communities, they generally like them and don't want them to change. Most people are prepared to believe that corporations can help those other schools, but they don't want corporations controlling or dominating their own schools.
Many classes are too large.
If the toilets don't flush, you don't need the representative of a large corporation to advise you to fix the toilet - you need money. What's not true is that American public schools are failing. Achievement scores are going up, and they're going up faster for poor and minority students than for the rest. First, they bring expertise in the form of mentors, technology, and curriculum guidance. Let us help your students learn to read.