Maybe if you respond tersely and factually there there is now no infringing material, it triggers a manual review that should have happened in the first place.
https://news.ycombinator.com/item?id=27818266
Suggests outside communications despite the OP’s claim in response to your question.
I'm getting "complaints" every week, mostly poorly written letters from lousy lawyers hired by competitors. Although the "complaint" is clearly doesn't make any sense (private entity claims it orders on behalf or Ministry without any proof), it still takes a lot of time to explain why the claim is baseless and of malfeasance's nature.