One soldier doesn't make an entire game "dark", it just puts together an upsetting, emotional scene-- a set up of impact-- But it doesn't make the game dark.
It's like saying Mario is a 'dark' game because it lets you wear a Tanooki suit (Oh gosh, don't hit me).
One aspect of the game shouldn't be an impact on the community.
Majora's Mask made an impact on the community because it was dark. The whole concept of the game was dark and symbolic.
Maybe, next time, when you write something like this, try to have more than one point and some back-up statements. Maybe viewing the whole story line was a good place to start.
And what's with the "Darkest Zelda Game Right Now"?