> Also, they are restricted in how they use it, and defendents have rights and due process.

As we're seeing with the current US President... the government doesn't (have to) care.

In any case, CSAM is the one thing other than Islamist terrorism that will bypass a lot of restrictions on how police are supposed to operate (see e.g. Encrochat, An0m) across virtually all civilized nations. Western nations also will take anything that remotely smells like Russia as a justification.