What happened to "when they go low, we go high"?

The grassroots active Democrats in my district--the ones who fundraise, canvass, register voters, and volunteer at the polls--have little love for the DNC or the DCCC. Our House candidates can't even get into the room with those folks if they haven't already raised at least a million dollars (and even then the door usually stays closed). The national party has forgotten what it's like to fight for every single vote.