You have not answered my question

. And yes it is quite an interesting choice.
The final episode is perhaps my second favorite episode. It's such a moving emotional story they tell there.
Warning: Spoiler! And when yousee flashbacks of the other episodes, and Kino on her journey some more it really makes me quite sad. I always look back and go "wow we've come a long way haven't we?" Makes you feel like you were on the journey as well.
I agree that was a perfect way to end the series. It's a very smart episode too, and kinda disturbing.