why not? it's not like there's any better reason to vote for one design over another.
How about fitting the Fighting/Dark typing, fitting the stat spread and looking like it can have the abilities Volt Absorb and Lightningrod? Those aren't better reasons despite being more relevant to the CAP than Battle Capacity?
I don't mind people saying a particular design would look awesome in Battle Capacity. I just don't want that being the only reason to pick one design over the others, and (as far as I'm aware) that hasn't happened yet.