He could use his soapbox to promote remedies to the situation, instead of finally acknowledging that this is an unmitigated disaster.
Conservatives don’t wait for a supermajority to effect the change they want. You act like Democrats want to build consensus before doing anything, but Biden doesn’t even seem to have consensus on what he wants to do.
What would Biden do with an absolute majority? How would he fix things? That’s what he should be talking about, what he should be promoting.