Maybe it’s because because if the rivalry wasn’t all-out-war destructive, it’d be too subtle for the target audience to notice it’s there.
since when has spoony been subtle?
I’m not talking about Spoony, I’m talking about the writers for manga and anime.
doesn’t spoony read manga or at least watch anime?
I’m talking about how it originally showed up in manga and anime, not why Spoony came up with it. >.>