What we've seen actually makes a lot of sense, and its a lot more complicated than what you said.Crazedwraith wrote:Yeah, hints but I hope they make him more than 'turned to the dark side because daddy didn't love him enough' because well, Emo Kylo Ren is already a fandom thing, I'd rather it wasn't canon.
Put it this way:
You have a child who doesn't feel satisfied with the father he has. So he starts looking up to a legendary, infamous grandfather he never knew, seeing him as a substitute father.
Throw in some dark tendencies inherited from said grandfather. His parents get worried, and ship him off for training with Luke. This only increases his sense of alienation from his family, and also exposes him to a boatload of power.
So you have an alienated, bitter youth with lots of power who idolizes a legendary Sith Lord. Now, that might not be enough to make him start a killing spree all on its own, but its hard to stop using the Dark Side once you start. One little step, perhaps with some nudging by Snoke, and he's started down the wrong path.
At that point, he would be at odds with the Jedi, and it wouldn't be hard for Snoke to direct him at a target for his anger and power and ambition, one which suited Snoke's agenda. Namely, his fellow students.