It's also a highly federal democracy, with Cantons being considered "sovereign"[0]. So it's not to be taken lightly that the federal government has taken such steps. Several questions in the press conference have been about the Cantons specifically[1].

[0] https://en.wikipedia.org/wiki/Cantons_of_Switzerland#Constit...

[1] https://www.bag.admin.ch/bag/en/home/krankheiten/ausbrueche-...