The Biden campaign is brilliantly appealing to moderates and Republicans. No I don’t see any contradictions here.
The word progressive is utterly meaningless now.
There’s this list floating around on reddit that ranks Kamala Harris as the 4th most progressive senator and Bernie Sanders at 10th. I think whatever progressive is supposed to mean, it’s pretty clear that they fucked it up. (They also put Nancy Pelosi as the #1 most progressive congressperson of 2019-2020…)