Not to mention you have to consider demographics. Walmart is a value brand. When it edges out the local businesses, they get de-facto monopoly. There’s no where else to go if you can’t shop the higher retailers. Tesla had first-mover advantage with the flashy claims and making an EV not look like a Dustbuster. They ran out the goodwill and runway and they will get eaten alive by the seasoned manufacturers. They will have their segment of the market but you’ll more likely see the same brands convert people from petrol to EV or H2 if white hydrogen is actually a thing.