Essentially it would allow you to set the criteria on a per node basis as to when threads in that node should be moved to another node.
It would essentially follow the same criteria based functions that already exist in XF and probably function similar to the Batch Update threads feature, but automatically.
A real life example would be for the closed suggestions forum here; it could be set up so that once a thread reaches say 10 first message likes, it would be automatically moved back to the suggestions forum.
Does anything like that currently exist?
If not, would anyone be interested in said functionality?
It would more than likely be a paid add-on.