The powers that be have made it very expensive to sue them. We are talking tens of thousands, into the hundreds of thousands, to do so. And then try to find a lawyer who is both competent in this area that wants to take the case and not bankrupt you.
Yes, that is true.
And then one likely would have to find a Republican lawyer to take the case, and a Republican lawyer that is actually capable of winning, which I think is a very tall order.