Well, he's right. Fundamentally, despite their edicts and ability to create government decreed bubbles, beyond the film, where the rubber meets the road, the Dems have no clue how things work. Only the arbitrary and capricious rules they impose on otherwise working systems given them any modicum of control.
That doesn't mean those rules can't stop things from working, but it's a rear 90 degree North Dakota Winter day when they actually make them work better.