It's not so different if you encrypted a file with a weak password and someone guessed it—you don't need stronger encryption, you need to pick a better password.
The proof of work part of bitcoin is really for "consensus", so everyone agrees which transactions happened in which order, this attack didn't affect that part at all.
Tests should have caught that, and it should not have simply failed open during the most critical part of entropy generation.
https://www.anthropic.com/research/discovering-cryptographic...
like, why does it even matter? I doubt the energy usage is anywhere near AI workloads running today
e.g.
If money took no energy to create, what would it be worth? What if you limited its effortless creation to just a few people?
What do you think about the enormous energy usage (far more than bitcoin) in mining gold?