Well you kinda can if that changes the price of each chain... then hash power follows profitability...In theory it could be a successful attack... but an attack it would be!
I think the state would be more than happy for this chaotic situation to turn out to burn a lot of true believers. They'd love it. I do not trust coinex after that announcement.
I'd like to think the law would cover it but... I don't think so somehow... they could argue symantics and split hairs about the definition of the "real BCH"... no law that states