BTW another way to evaluate elon's focus:
Elon is 100% focused on the next stupid hard challenge. Its what he thinks about, and tweets about. That doesn't mean previous beaten challenges don't continue to trundle along. For example he tweets WAY more about starship than falcon 9, because starship is unsolved, and falcon 9 is...kinda boring at this point, despite being a massive success, and a huge money maker.
FSD is a huge challenge. Building more superchargers is kinda boring, especially to Elon. That doesn't mean building more won't happen, it just means Elon wants it to continue in the background, efficiently and without getting bloated.
When Elon is bored with a product, it just means all the technical issues have been sorted. This is why he doesn't tweet or talk about the model 3 or Y much now. Its all cybertruck
.