Hard to say...
They have been chiseling since the Civil war.
One can make a compelling argument that when the federal government did not let state that joined the union of their own free will leave the union, that it was over.
I would agree with that. And since then, all we've done is perform CPR on a carcass. The idea we'll simply "vote" things back to the way they were intended is so misguided, I shudder to think those same people are allowed to move about freely.
The USA as the intended Republic is long since dead and only a replacement is viable, not some cocktail of band-aids to keep it appearing upright and functional.
In many ways Biden is a good representation of what this country is - long gone, held up by handlers and drugs to appear coherent but if you're paying attention, you know the lights are out.