with the tests they were running on Gemma has to be more than just an improvement in the way innies are currently being used. For Lumonaires to say that Mark completing Cold Harbor would make him one of the most important people in history suggests a level of importance with this project along the lines OP is suggesting. Are they trying to formulate the new leader? Not sure. I think we may not even have enough information about what Lumon does to understand their ultimate end.