I doubt she will get nerfed too hard. the only people I really see complaining about her are braindead Tracer and Genji Mains who get butthurt they can't just dive backlines and escape all the time now.
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Sombra and most people that can bypass barriers easily. I.e Junkrat, Pharah, Sym, Moira. I think she was purposefully put in the game to shake up the Meta. because games get stale and die fast when 1/2 the roster is considered out of Meta.