This is simply not true; there ARE enough ballots in question in NC-9 to potentially affect the outcome.
From our story just now: 
There's also a question of whether, if you were able to detect several hundred ballots' worth of fraud, there may have been other fraudulent activities that went undetected. People are just now noticing that there may have also been fraud in the GOP primary in NC-9, for instance.
NC statues also explicitly provide for a new election to be called if results are tainted by improprieties to the point where doubt is cast on the fairness of the election, even if it's not clear whether they swung the result. bit.ly/2FPNwJr
Finally, there's the question of whether Harris would face criminal liability, and either not seated in the House—"each House shall be the judge of the elections, returns and qualifications of its own members"—or seated and then expelled.
