I share your anger with the Reich wing, but some must be reserved for the feckless left that has the advantage of provable superior ideas but fails to prove, or even mention, them.
Biden began his Presidency with promises to eradicate student debt and take on climate change with gusto. He ran into Manchin and the mere mention of deficits sent him scrambling for cover behind his neoliberal party and donors. Since then, he has spoken of deficit reduction five times more often than he has of either student debt or climate change.
You simply cannot win an argument when you are forced to use the language of the opposition. He knows how things work, but is afraid to have a conversation where he can tell the truth. More like, he is afraid the conversation will upset the donor class the left has become just as dependent upon as is the right, so he avoids it until it becomes useful in another campaign.