Funnily enough the first thing you said can actually be done with multiple chakra-based techniques, so we may be able to get a pass here, but I get what you mean.
And? What's wrong with keeping an eye on a future traitor so that he can be dealt with before he causes too much damage? * Granted, it can backfire on us as well, but hopefully it won't come to that.
What a shame. The morality equivalent stat continues to be an annoyance even here. Doubly so if the "sanity stat" is used to contain Paradox, which means that the less Wisdom we have, the more releases will be, which means they will provoke more breaking points. Too bad Mages cannot adopt Paths like Vamps did, it would have removed these kind of issues.
Well, it will be a bit difficult for us to continue if Sakaya fails to become a ninja. She won't be allowed to do much until she spends another year at the Academy, which will be a grating experience, unless we run away from the Village, become a Missing-Nin, somehow another teacher gives us a special test to prove ourselves, or we stumble upon another party of Mages.
That may be possible. I thought the sequence was set in that valley where the two started punching each other, but I guess you're right.
*You may have noticed that I have a slight bias against the Uchihas, but it is just a slight dislike and nothing else, really.