Just made a thread with about this under bug reports with a video with more information. Honestly sad to see this most recent NA tournament get taken over by this. My proposed solution is to make it so that ONLY the lanes that are assigned a duo at the start duplicate souls to their members up...
This is something we have just recently seen begin to develop within community-run tournaments. Due to the fact that ALL lanes duplicate souls given between up to two players within them before the 10 minute mark, having one person from each duo lane on each side of the map roam between waves...