Dismissed by whom? They're the biggest automaker and until recently their lifetime shipments of batteries in cars had been larger than Tesla's.
California can barely keep the lights on as it is. This doesn't even scratch the surface that most are not the privileged few with at-home charging.
I’ve never heard of that, and even in countries like Norway where new car sales are predominantly EVs, it will be a long time until it can replace the entire fleet.