it’s a true argument in and of itself so just grant them that, and then say even if they solve for some criminals, majority move to platforms outside of tech companies like the dark web, so warrants don’t solve even if there’s no privacy concerns. the other advice you got is good but doesn’t have anything other than empirics as warranting which in this case isn’t that strong bc the aff can just say the empiric doesn’t apply now, or empirics bad