Control. Full control, but deniable. Once the compromat files were under new ownership all the puppets were compelled to dance to the new organ grinder, or go the way of No Name (and others).

I expect sometimes things don't synchronise to the planned dates, but of course those would be unnoticed. It's like video taping yourself throwing pinpong balls into a cup with your eyes closed, the misses are deleted, only the ace shot makes it into the final viral video...