Elon can't bring Li-Ion down to any level for compete with ICE cars, has terrible financials, and there's something very off putting politically about hard-working middle-class families subsidizing ultra-sports cars for the wealthy.
The title of this article is amusing because it seems to suggest that SpaceX is Elon's side bet and Tesla is some grand vision. Its not. If anything SpaceX is the great success here and if I was a betting man I'd say Tesla will become a footnote in history when SpaceX succeeds. I just wish he wasn't so anti-AI and anti-robot. I'm assuming he really needs to sell the public on human, not robotic, spaceflight for his company to succeed.