And every person's orthodoxy is someone else's heresy. There is no true religion for the same reason there's no false religion: they're all just beliefs with no basis in reality.
Now, if you wanted to argue that organizations should distance themselves from those that look similar but are antithetical to their beliefs, that's fine, but it has nothing to do with one being true and other false.
Christofascism is evil, but it's as Christian as any other form.