Editor’s note: This article contains descriptions of imagery depicting child sexual abuse. Reader discretion is strongly advised.Early last month, Meta deleted around 50 ads posted on Facebook, Instagram, and Threads that directly included child sexual abuse material (CSAM), following reporting by WIRED. At the time, the company said that most of the abusive ads had been published prior to it rolling out new AI tools designed to “better detect and block” harmful ads being uploaded. That AI syste...