The title is misleading. It's an e-voting PILOT. That's important. "Switzerland is running small-scale e-voting pilots in four of its 26 cantons", three of which were not affected.
From Wikipedia [1]:
> A pilot experiment, pilot study, pilot test or pilot project is a small-scale preliminary study conducted to evaluate feasibility, duration, cost, adverse events, and improve upon the study design prior to performance of a full-scale research project.
From Wikipedia [1]:
> A pilot experiment, pilot study, pilot test or pilot project is a small-scale preliminary study conducted to evaluate feasibility, duration, cost, adverse events, and improve upon the study design prior to performance of a full-scale research project.
[1]: https://en.wikipedia.org/wiki/Pilot_experiment