It's a little hard to take any percentage of 1.4B peoples phones, get them to comply unlocking their devices, and then inspecting those. It's a lot easier to t

It's a little hard to take any percentage of 1.4B peoples phones, get them to comply unlocking their devices, and then inspecting those. It's a lot easier to tell vendor X that "in country Y list Z is the one that should be used when looking for CSAM", and then add some known Tank Man derivative hashes to that list and find out directly who to arrest.