If the real BC is rendered legally useless that’s the end of it. It might alter some public opinion but it would always be considered tin foil hat stuff at best.
***The only way to render the real BC useless is to alter it, and in this scenario someone is just copying it.
Now that we're talking about a heisted copy; that would be as useful as a menu from a restaurant in Beijing. The only way to prove the copy was a real copy would be the legal release of the original. Full circle back to where we are.