I'd love to read a study that focused on the effectiveness of these sorts of measures. I get that for the platform it's largely about optics but I want to know

I'd love to read a study that focused on the effectiveness of these sorts of measures. I get that for the platform it's largely about optics but I want to know how often this actually mitigates rumor spread vs simply migrates rumors to other platforms like 4chan, 8kun, Gab, Parler, etc.