Because the Sage wanted to achieve complete, total peace, just like Naruto. The ten-tails was something like the manifestation of hatred and destruction. So somebody who can convince the most evil and hate-filled beings that love is what truly matters, that somebody is also able to change the whole world. Another reason why he did it was to give them real names and real identities. What means "Kyuubi"? What kind of "name" is that supposed to be? Nine-Tails? That is actually a pretty disrespectful and devaluing name. So giving them real names is a sign of respect and acknowledgment.
Atlast it came. I swear the 9 tails/Kurama is becoming less and less intimidating by the minute, even Naruto is laughing at his name. Im wondering though, why would the Sage give names to the tailed beasts if they were enemies? And the sage split the beasts up on his deathbed with the last of his power, so how would he have the time... I don't think Tobi told us the full truth about SO6P.
guys can any body tell me what is this SO6P.
PLEASE
Loved it, son goku, haa