It might be because Sora's style felt klunky to me for some reason. And I've enjoyed playing as Riku since Chain of Memories.
If I were to compare DDD to BBS, I would say that Sora (to me) feels like a haphazard mix of Terra and Aqua, but substitute Ventus's light attacks for Terra's dark ones. Meanwhile, Riku felt like an even blend of all three characters.
First try:With my Superhuman Physiology... They probably die due to me going into a rage.
Second try: With my healing...Jimmy no longer has sinus problems.
Third try: With my Spatial Mimicry...I think I sent them all to Kansas...Oh well.