Ya it's an understandable take away. And the addition of pink wards don't actually nerf her as much as people think. They had really no effect on her, and for some players I suspect they actually got over confident and actually hurt themselves =p.
Basically she is a tricky champion to play well, because her camo is highly strategic, and you don't see many strategic plays in lower levels of play. But higher skilled players know how to abuse her to the point where she is one of the weakest champions in low elo and one of the strongest in high elo. This isn't ideal, and we would want her to be a bit more normalized, but the nature of her kit will always push some large skill differences.