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. 
Indeed bitcoins are virtually unstoppable as long as it is being talked about still and we still have the blockchain to take care of bitcoins for us. We, the community that fully supports bitcoins, make it unstoppablr by showing our support and keeping bitcoins valued 'Til the next king of coins come.