>>53302550Technically they never said what the ball does exactly, so everyone just assumed it what the same concept than every other weebery with something equivalent - that the container is what does the techno-magic.
Why they decided to change that in PLA is everyone guess, because even if they intended it that way since the beginning, "clarifying" some *major* lore point this late in the series' life just feel like a retarded retcon.
It's basically the midichlorians of pokémon.
Doesn't matter if it was always like that in the writer's mind, the idea is still stupid, break a lot of things in existing material, and feel like a late minute change trying to force it's way retroactively.