"So this peckerwood can't secure the safety of women, can't secure the safety of Black folk, can't stop the murderous forcing-through of Cop Cities across the country, can't end the deleterious, life-owning student debt crippling the country, and can't force housing out of the hands of malevolent investor vulture-capitalists because 'wuhhhhh muh Congressional gridlock'; but he can force through a billions-and-billions of dollars war receipt for a goddamn genocide?"
Their lies are so blatant, it's pretty clear that whenever they actually want to do something they always find a mechanism for doing it. When they tell people there's nothing they can do, what they're really saying is that they have no actual interest in doing it.
It's more that both parties support an imperialist foreign policy (even if they'll quibble on the details), while there are real partisan differences on domestic issues.
I'm really looking forward to Biden trying to claim that he suddenly can't do anything because of Congress when we just established that Congress has no power anymore.