We must not get comfortable in this.
They are setting high expectations in order to have some kind of in.
However, if it looks like the Dems are going to loose big, and it turns out to be false, it will continue to undermine the working class' faith in the voting process. Once that faith is gone, what becomes the only recourse?
"When, in the course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the earth, the separate and equal station to which the laws of nature and of nature's God entitle them, a decent respect to the opinions of mankind requires that they should declare the causes which impel them to the separation. ..."
Or steal votes.