One Thousand Number Paintings

These days there is a fine line between brilliance and scamfoolery. In a project described as "an experiment of art and mathematics on the web", a young artist in Switzerland is selling 1000 paintings of 1000 numbers. Just numbers. You buy the number at a value determined by this equation: (value = 1000 - number). Someone online commented that "It's genius. He makes money while showing that some people will buy anything if someone else says it's interesting, illustrating the simple and sad way advertising basically works." Meawhile, I want to know why he chose that particular typeface...