You can say they weren't exhaustive but uh, this is nearing the end of the line for challenging the patents.Like I said, they have not done an exhaustive search. #6 has to be the one TL is most concerned about to begin with.
To force another round of re-examination or introduce further evidence would require another company to file another lawsuit, which would take another year to work out, and lead to another year of re-examination.
Like I said, there's potentially years to come on this issue