

Las Vegas has already achieved 97% storage supply for its needs - a city that barely sleeps at night.
Again, where is your evidence that it is not going to improve across the board, and will all fail?
“It’s not all happening right now,” is not even close to a convincing answer. If that was the reason to exclude any technology, there’d be none.
And it’s an especially ironic answer given that it takes up to 20 years to commission a nuclear power plant. And they are down for scheduled maintenance for up to a month a year, etc.
Most style guides and standards accept either spelling, especially when writing for general audiences.
For strict, formal writing, “lede” is still preferred.
https://getproofed.com.au/writing-tips/idiom-tips-bury-the-lede-or-bury-the-lead/