Switzerland has moved on from farming a lot faster than the rest of the world has. It only accounts for 4% of the country's industry - they just prefer to buy their farm goods in from abroad. That means farmhouses like this one have been left without a purpose, and therefore stand empty.
The ornate little house looks a little bit like a mushroom, and would make a beautiful home for somebody if it were given a little love and attention. Letting that roof collapse would be a travesty.