If you wanted to have actual "flyaway" pods, that thrust off the rocket then deploy separately, I can see the logic of some sort of stability, although even then I would opt for something like cones that act as the fins and even attenuate them.

For "pop pods" you want oversize booster fins as the first choice, but if a nearly scale appearance is your goal, given the long boosters I can see the logic in adding weight to the pod cones. Either way the parts you are starting with look great. Try to figure a way to get an E6 or an F10 in the center!

Jerry