They were at her 8 weeks of stump speeches, and then they were at the polls, and then she lost.
Were you not paying any attention?
Obviously not, so:
a) The primary candidate of the Democratic Party stepped down a few months before the election, b) harris, without any sort of platform, ran in the United States, c) an institutionally racist and sexist country. Harris didn't have much of a chance.
It's wild you know so little about the election and are blaming her supporters for her loss.
Source?