I cannot stress this enough - the job, is to get elected. It just is. The Harris campaign and the larger democratic party chose enabling a genocide, giving handies to racist murderpigs, and hunting down migrants over getting elected. Gaslighting people about inflation and Covid probably didn't help either. But nobody put a gun to their head to MAKE them abandon their successful 2020 platform to embrace fascism and run back Clinton's neocon campaign from 2016.
They did that. They're responsible.