It is def one of the strongest traits. I'm not sure she's broken enough to require that, but I do think it'd be an uphill battle for them if they changed her given her popularity.
They'd basically be making a new hero at that point more than one year after her release. Some real League of Legends style reworking.
EDIT: From a thread on reddit, some words of wisdom:
"You lose 100% of the 4v5s you don't take" - your team.
Keep that in the mind the next time your team feeds without you. They believe in their potential, so why are you trying to hold them down?
They'd basically be making a new hero at that point more than one year after her release. Some real League of Legends style reworking.
EDIT: From a thread on reddit, some words of wisdom:
"You lose 100% of the 4v5s you don't take" - your team.
Keep that in the mind the next time your team feeds without you. They believe in their potential, so why are you trying to hold them down?