Because they hate us and/or think that we are stupid.
It comes out over and over and over again from their own politicians.....”flyover country”....”bitter, clinging to guns and religion”....”basket of deplorables”.....
It comes out even moreso from their mouthpieces in the MSM and the whole entertainment industry. Its not just the news, its TV shows, its Movies, its the statements from various actors its who is the butt of every “joke” on SNL or from late night talk show hosts and on and on. It comes out of the mouths of liberal arts professors at universities.
We’ve noticed. Any attempts to claim Leftists do not hate middle America are an outright lie doomed to failure. We know all too well that that’s exactly what they think.