Can't summoned animals usually talk? With the exception of a few throw away summons, most of the ones shown so far in the anime have. I'd have to come down on the nin-pig side.--
"Just the idea of that bruised my very soul a little bit. So now when I die and go to whatever awaits, I'm going to have a big, purple mark on my arm. And I won't be able to stop touching it to see if it's stopped hurting. For all eternity."
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If you become a monster to put down a monster you've still got a monster running around at the end of the day and have as such not really solved the whole monster problem at all.
"Just the idea of that bruised my very soul a little bit. So now when I die and go to whatever awaits, I'm going to have a big, purple mark on my arm. And I won't be able to stop touching it to see if it's stopped hurting. For all eternity."
--
If you become a monster to put down a monster you've still got a monster running around at the end of the day and have as such not really solved the whole monster problem at all.