When you say "filed a motion", what does that mean? New legislation at the federal level? That would be quite remarkable if true. I suppose, politicians from all cantons would be able to vote on that, no?

I think the real motivation here is obviously ideological. He says he is "opposed to the privatisation of money creation, which must be controlled by the state". He provides no rationale for why it must be so. It's just something he believes.

Unfortunately the fractured language situation in Switzerland will make co-ordination somewhat complicated ... there are plenty of people coming to the meetups in Zurich and I'm sure lots of people could be co-ordinated together to make protests, but I have no experience of political campaigning here (I live in Zurich). I'm not even a citizen so doubt they would care much anyway.

Re: his plan. The article says "that would obviously be practically complicated, but we could ban holding of bitcoins or making transactions in them". In other words random punishment whenever they find someone and hope everyone else falls into line.