What Bev is talking about is a middleman. With GEMS, the precinct forwards the data to a hub that collates. At that hub, the GEMS software can be set for “weighted” voting, which means fractions
can vote. (i.e 1.375 votes). On the printout, these fractions used to calculate the vote can be truncated to make it seem like integers. By fractionalizing the votes, the final percentages can be set to whatever the operator wants. Squeaker, landslide, etc. while maintaining a good vote count. (If I understand it correctly).
Here's how a problem was initially detected in 2015.