I am tempted to paraphrase the Elephant man, "I am not a sigmoid function, I am a human being!" in response to that headline :-) That said, I think it is great that they are trying to characterize this sort of thing. The second law of institutions is that every process must require more people to execute than can conspire without being detected[1]. But relying so much on humans in one way or another is going to gum i…
Step 1 - let users report posts that are false
Step 2 - human fact checkers investigate user reports
Step 3 - rely more on users who report posts as false that really are false, and less on users who report posts as false that really are true
Step 4 - repeat step 3 but for the fact checkers themselves
Step 5 - train an ML model to automate more of the fact checking work