There is very little evidence that fact checking actually works to reduce the impacts of disinformation. See e.g. this study of the impact of Twitter warnings o

There is very little evidence that fact checking actually works to reduce the impacts of disinformation. See e.g. this study of the impact of Twitter warnings on belief in disonformation: https://cpb-us-e1.wpmucdn.com/blogs.cornell.edu/dist/c/8659/files/2020/10/ckk_PSQ_SSRN.pdf https://cpb-us-e1.wpmucdn.com/blogs.cornell.edu/dist/c/8659/... The only known-effective way to deal with disinformation is to remove it.