—”There is no grid strong enough for these fantasies.”
Can you document that statement?
Peak daytime load is twice peak overnight load.
There is more than sufficient to buy time and add capacity as needed.
https://www.nrel.gov/state-local-tribal/blog/posts/phrase-of-the-day-peak-load.html
You and Elon disagree, he said the current grid can't even come close to providing enough electricity to replace fossil fuels. People no longer work just the day shift anymore either.