In the middle of Cobra's defense of Bitcoin Cash's through the user activated no fork, what would happen if Cobra's followers do not run nodes or run less than 10% of the decentralized part of the network, while Jihan Wu runs the rest comprising of the centralized part of the network?

Jihan Wu could Sybil attack their way to throw out the decentralized 10%.

Would this be an example of non-miners' number of nodes matter if they run more, jbreher?