James Netter has posted Injunction Junction, What's Your Function? Crafting Permanent Injunctions to Be Appropriate Remedies in Defamation Cases (Georgia Law Review, Vol. 54, No. 2, 2020) on SSRN. Here is the abstract:
Permanent injunctions can be an appropriate remedy in defamation suits not only from a constitutional perspective, but also because of the way people interact in the Internet Age.