If Telsa is building battery plants, doesn't demand for batteries benefit them? Especially when you've got a VW guy quoted as saying "Manufacturing the powerpacks themselves is not in the cards. “This is not one of our core competencies,” said Mueller, who has faced pressure from employee representatives to invest in battery-cell production. “Others can do it better than we can.”" Very possible Tesla doesn't survive long enough to get there, but since this article is about what's happening in 2022 it's either around and selling batteries or not so it doesn't matter.