Do you have a legal opinion to back up your statement?
That's the opinion of ALPA's attorneys, not my own. M-B was designed to give protections to everyone. The problem is that it wasn't very well thought out, so the protection that it gives to non-union groups is ambiguous. But it isn't non-existent.
Again, you need a union. Quickly. But spreading false information is a great way to alienate potential yes-voters. Telling people the truth is the best way to get people on your side.