That is possible. It is also possible that they knew but are upset that it is now public. Somehow they feel it is shameful.Just surmising and spit balling here but could IDI's eagerness to prove this a fraud be motivated by the fact that it tells them something they didn't know even with all their 'sources.'
Things always end up coming out eventually. Little by little, there will be few if any, secrets about this very "special" family