And what are the chances that the Democrats have learned their lesson and will pivot to a more progressive candidate for the next election cycle?

Exactly zero. The rich people in the DNC benefit just as much from the conservative agenda as any other rich asshole. Not being in power is completely irrelevant to their interests, as far as I can tell.

Unless and until Donnie makes good on his threats to imprison/murder his political opponents, none of them will give a single fuck that leftist didn’t want to vote for them because they weren’t left enough.