Given the mountains of corruption in DC, it was impossible for an outsider to hope to fix it all in just 4 years.
Yet even with intense opposition from the Democrats and the Democrat Media, as well as the establishment Republicans, Trump accomplished an incredible amount of good for this country. The contrast between where we were before Biden and after Biden should be impossible to miss, and most Democrats are not missing it.
But will they admit that they screwed up? If they had that in them, they wouldn't be Democrats in the first place.