In the old days they would call Elon Musk “a confidence man,” always ready to sell the latest and greatest brand of snake-oil.
It goes for about $100K and does not perform as they've advertised. It probably has a niche for the filthy rich as an enviro-nazis status symbol but why should taxpayers grant subsidies or guaranteed loans to a billionaire to produce it and help the rich buy it?
We shouldn't, period!