It was explained in the symposium that Trump can't take the " They stole the election" into a criminal/civil court because it is considered a "political issue" that can only be dealt with in the Legislatures.
Lindell, however can used all of this evidence in his defense against the Dominion lawsuits against him, Giuliani, and Powell. He can beat them by proving they cheated, which will have to be reported on somehow.