How about content moderation? If content is not available on author then how the moderators moderate the content? In other words, how to prevent unwanted/non approved UGC content to be displayed on publishers?

How does this sync work between all TarMK instances? Does enabling Sling Distribution agents, reverse replicates user data to author and then it syncs to other publish instances in farm?  All publish instances run in silos under farm and content syncs using author.

I was going through AEM 6.1  TarMK setup. Here, we have multiple AEM instances with its own TarMK. Author is setup to replicate changes to all instances while changes in from publish are replicated using reverse replication to author and replication to all instances. But the problem here is that AEM...