Just because it doesn't work in a car doesn't make it a bad design. Television doesn't work in most cars, but people still buy them. Something doesn't have to

Just because it doesn't work in a car doesn't make it a bad design. Television doesn't work in most cars, but people still buy them. Something doesn't have to solve every use case to be useful. FWIW, I tend to agree with you. I think the better problem to solve would be to have electrical energy generative/storage devices. But I've been wrong about these things in the past so I try to second-guess myself.