The inspired constituency of the party has done its part. If the party leadership breaks contract (as they often do), then there is no moral accountability on voters who abandon them - notwithstanding that we are the ones who would suffer most for such a loss. A belief that one's capacity to suffer is noble is a primary tenet that separates us from liberals.
Philosophy aside, it is in my own spiteful nature to inflict such petty revenge on those who betray. Hence, do not take my vote for granted.
I thought the Republicans run the House of Representatives like it was a plantation. So we know that all good Democrats are against plantation politics.
There is nothing noble about an American voter refusing to vote.
When the elections are over, either Democrats or Republicans will run the country.
The fight is about how much control of one of those parties we have.