even when attacked from the inside by blockstream/core it just forks and offers two chains. at least one will continue delivering p2p electronic money to the people with low fees. maybe both? we'll see. 
Bitcoin is/will be unstoppable indeed, why because it has made its name and mark as a king of crypto currency which is made as a model to all crypto. and it is just the start of digital era now so it is expected that bitcoin as leading crypto will soar and unstoppable.