And that sand takes a very, very long time with lots of big brains to figure out how to manipulate at the nanometer level in order to give you a "beep boop"
It's not like Intel could decide tomorrow to spin up a fab and immediately make NVIDIA and TSMC irrelevant. They're the next closest thing given they make chips, have GPU technology, and also foundry experience and it's still multiple years of effort if they chose that direction.
Your statement is a lot like saying "poker has predictable odds" and yet there is still a vast ocean of poker players.
It's a great library, but it does need fewer footguns. date-fns is a good alternative.