Could someone have just been insulated? Everyone that signed off on the warrant is a POTUS appointee. Whenever the government grabs attorney-client privileged materials, they have opened a hornet’s nest of problems in prosecuting a case. If the government winds up seeing privileged materials, it could blow up a case, because any evidence you get from privileged materials means that anything else related to that is the fruit of the poisoned tree.

Attorney client privileges have never been up for debate.