I would argue that the Scandinavian countries are a much better example to use than Switzerland. In contrast to Switzerland Sweden leads the world in fibre access build out (while being geographically much larger). While I haven't seen 25 G internet 10G is relatively common and 1G is the default (at around 40-50 euro per month). The model has is quite similar to Switzerland though, open access fibre infrastructure with competition over providing the data, either using equipment of the main provider or using their own equipment.