Introduce a q7 raw producer that cannot be WAM'd but matches a Q7 factory one to one worker so you need 10 workers on raw and 10 on factory and they match output perfectly.
Then you could bring back the co operative MU. . You would sell a lot of gold for groups setting up their communes again as well.
The Co-operative MU was the best community and fun I have ever had in this game. Bring it back.