Looks like this feature is being rolled out on new posts. Or at least one post: https://forum.effectivealtruism.org/posts/gEmkxFuMck8SHC55w/introducing-the-effective-altruism-addiction-recovery-group
Looks like this feature is being rolled out on new posts. Or at least one post: https://forum.effectivealtruism.org/posts/gEmkxFuMck8SHC55w/introducing-the-effective-altruism-addiction-recovery-group