I can’t answer “if we should”...only as I explained above that under the law what you describe isn’t enough on its own to create liability for the service provide, the legal threshold is whether the seller knew the buyer would use the good/service in commission of a crime.

So for example the power company who sold power to run backpage, could they be liable? Probably not.

But a tech company who allegedly custom built a database to facilitate backpages human trafficking/prostitution activities...maybe