yes but the fisa court has done nothing since they found out they were duped..
I agree - that is a big concern. However, the courts are or should be all about due process. So the FISA judges that were duped in this case probably would say that they can't be sure they were duped until presented by the DOJ IG with evidence that the process was actually abused, and until the perps were subsequently tried and found guilty.
But I wish that someone like Judge Collyer would at least say publicly that if this happened there should be severe consequences for the FBI/DOJ people that wrote and signed off on these cases. Without that sort of statement it's not surprising that a lot of people feel the court is complicit in the scam and is trying to hide that.