just to preempt the argument: no, you can’t simply redefine anything they sign that ends up being wrong as “their gabbaim’s fault” or “they were misled” and then say “everything they REALLY sign is legit”. they knew exactly what the situation here was (see articles from 2010) and they toed the party line one time too many.
food for thought: what would the outcome of the case have been had they actually gone to a beis din to start with?
our entire beis din system is broken and needs to be reconstructed from scratch. the system was created for a society in which people took integrity seriously and judges were free to fact-find, but has been infested with agenda’ed rabbanim, so-called “to’eins,” and other imports from the adversarial american system, thereby deeming it ineffective.