yes, i can pull my hash rate AFTEr the attack has occurred
that's fault recovery, not fault tolerance
this is known as the long con, I'm sure you've heard of it
Re-reading this, I see the misunderstanding here. Byzantine agreement failure in satoshi's blockchain design are orphaned blocks. These are the misinformation, or disagreement between the generals. The way this disagreement is resolved (or recovered, using your own language) is by choosing the longest chain of work - this happens at the protocol level, not by mining pools agreeing to take an action.