I agree.
Liberalism as an ideology is severely wounded by Barack Obama having foisted it upon the country. The Democratic Party has destroyed itself with Obamacare.
Her plan is to present a "blank slate" on the issues, as Obama did. This will not be acceptable to the American people, this time.
Conservatives will turn out to vote against her in historic fashion. Lesson learned. Many apoliticals, "mushy middle", if you will, will stay home, unlike 2012 when Obama was on the ballot, IMHO.
Oh, and she's up to her neck in scandals. The scandals will matter.
That's true, and Obama has gone way beyond liberalism. The fact that he invokes the past by referring to leftist radicalism as liberalism is the only thing that has enabled him to get it through, because liberals are such fools that all you have to do is mention one of their favorite causes and they're in.
Hillary and Bill represent the old-line extreme liberalism, but now they see it as possibly having been empowered by Obama's radical destruction of our institutions and laws, so they want to get back in charge.
That said, Hillary's dreary and weak performance as SOS, where Obama sidelined her and did everything but laugh at her openly, her scandals and the possibility that they will revive some of her husband's old scandals, and the fact that she just looks horrible (old, uncertain) I think would pretty much eliminate her.
But I do think that you're right, if she runs, even moderately conservative folk will turn out to vote against her because of her track record. The Dems will realize this at some point, and then she'll be history.