if you're talking about the Naruto one, I did but didn't finish it
evil protagonists, at least that flavor, aren't much my cup of tea
even more in a world like Naruto where everything already sucks dick
well, to be fair, the point of Naruto (the protagonist) is that he's the sun in this cold world of child soldiers
so if you come from that non-fanfiction-reading perspective, where those dark facets of this universe aren't explored all the time, it's understandable