There are three kinds of lies in the world: lies, damn lies, and statistics.
The country is not actually made up of equal numbers of Republicans and Democrats. If we could achieve 100% Democrats would win overwhelmingly on a national level and the GOP would be insignificant. The framing of this article makes it sound as if everything is in the hands of independents, but it is not. This election will be determined by turnout and energy; Harris clearly has that advantage.