I lost my factory while I was trying to figure out what was going on with my selection ranks. I didn't want my Djinn to be selected along with all the other units that were teleporting to it, so I space-clicked and went to "edit behavior" and changed the selection rank from 3 to 0 to see what it did. It didn't do anything, but instead, my limpets were suddenly on selection rank 0 and they didn't get selected while my Djinn (who was also selection rank 0) did. After that, any change I made to the selection rank of my Djinn did nothing to change the behavior, but instead changed the behavior of my limpets. Am I missing something?

Yes I'm sure I was. If I have time at some point I might be able to do some further testing though