

You (and everyone upvoting) have no idea what Switzerland neutrality means. It’s not like you could just read up an official Swiss government document about it (PDF warning)
This is standard procedure, freezing the assets of dictators so that the country can get them back. This is to help the Venezuelan people. Here, other examples of similar cases.
Ever since the Marcos (Philippines) affair in 1986, the list of illicit potentate funds that have been seized in Swiss banks and later returned to the country has steadily grown to include Montesinos (Peru), Mobutu (former Zaire), Dos Santos (Angola), Abacha (Nigeria), Kazakhstan, Salinas (Mexico), Duvalier (Haiti), Ben Ali (Tunisia), and Mubarak (Egypt).






Because Maduro wasn’t sanctioned by a body that Switzerland recognizes as binding.
However now that he’s fallen, they are freezing his money to give it back to the country when it asks for it.