I just don’t understand why cheap EVs are a bad thing…

They aren’t. Biden is completely beholden to feckless auto worker unions who will fight tooth and nail against it.
Chinese EVs are orders of magnitude better bang for the buck than anything the non Tesla automakers are pumping out. If the legacy US based auto makers actually start producing EVs at scale, a lot of these people would be out of jobs because EV assembly lines are far more efficient and automated.

liberals really can’t help themselves