It is not economy of scale. They need to "re-factor" their factories/models/cars/marketing for little gain. why do it? Tesla was kinda the only player in town a

It is not economy of scale. They need to "re-factor" their factories/models/cars/marketing for little gain. why do it? Tesla was kinda the only player in town and thus commanded high prices and high margins. It's only when the Chinese showed up that the technology is clearly cheaper; and everyone else was caught by it.