He isn't great, but he has done some pretty good thing. (Lots of not good things too, obviously.) He's taken steps with student loan forgiveness, he's empowered the FTC and DOJ to enforce anti-trust regulations that haven't been used in far too long, and he's done a good number of other things too, but nothing else large is coming to mind at the moment.
They suck at communicating, but they have actually done some good. Biden is far from my choice of president, but it does seem like the progressive faction has at least moved him in the right direction. It's far from ideal, but he isn't that bad.