I think we've learned from experience that tech companies will happily exploit anything they’re capable of exploiting, and this new capability has plenty of pot

I think we've learned from experience that tech companies will happily exploit anything they’re capable of exploiting, and this new capability has plenty of potential for exploitation. Searching everyone's media for evidence of criminal wrongdoing, but setting only one example of the kind of wrongdoing you're looking for is very susceptible to an actual slippery slope, given that there are plenty of other criminal activities they could start looking for should they decide that it's part of their mission. The only thing that makes CSAM so attractive to go after is how disgusting society feels that it is. Up next could be reporting drug-related texts of known convicts to parole officers. Next could be drug-related texts of everyone to police officers. Next could be letting the police officers make their own searches, where they find everyone talking about a certain kind of political organizing. We should refuse to accept even the first instance of this kind of thing.