He was responsible for ensuring the Dem Congress supported the Dem POTUS. And that failed to happen. Given the rest of his track from his entire time in public service, I have to presume he failed to perform whether or not that was the complete reason for the 2010 disaster.
And somehow ebverything awfulk the Dems have done for decades has some of his fingerprints on it.
No hot take, just Biden’s unacceptable record.