now, advertises on the other hand. there is no excuse why companies making obscene profits can't be liable for now vetting obvious scams.
That sort of algorithmic nonsense shouldn't be mandated by you and your opinions of harmful content or anyone else. Should be optional. Let me have a straight chronological feed, but let me set via parental controls something much stricter for my kids. For example.
Ethically it's not much different than knowingly selling goods someone else stole.
That's why they "automate" everything. So that they can claim no knowledge.
“I didn’t know my automated lawn mower was running over children!”
There is not one single legal definition of "knowingly" that applies to all laws and claims in the US.
Furthermore, even under this specific law, you need to prove the accused acted in "deliberate ignorance of the truth or falsity of the information", which has its own standard of evidence which is not exactly trivial.
Bottom line: companies like Meta build in plausible deniability because it's legally more effective versus the alternative, even if it's not bulletproof.