It was wokeness after all
Harris is a weak candidate, always has been. The root cause of this loss was her selection as Biden's VP back in 2020, an explicitly woke decision as publicly admitted by Biden.
The harm of identity politics is not just stirring reactionaries, but actually degrading our decision making in meaningful ways, not to mention reducing trust and distracting from the left's responsibility to help the needy and to hold power to account.