Rinnegan doesn't control neither them nor the previous 6 paths, it was chakra rods which was controlling them, and when kabuto loses control of any of edo-tensi summons, it turns to ash.no madara controlling them because Rinnegan is much powerful than kabuto talisman
we have seen some of kabouto edo-tensi summons disobey him
it does that is why u can see Rinnegan/sharingan eyes on the 6 paths .Rinnegan doesn't control neither them nor the previous 6 paths, it was chakra rods which was controlling them, and when kabuto loses control of any of edo-tensi summons, it turns to ash.