Definitely. It is actually dishonest of then to call this a challenge: I couldn't for the life of me find out what the actual challenge was when reading the art

Definitely. It is actually dishonest of then to call this a challenge: I couldn't for the life of me find out what the actual challenge was when reading the article and when I came to their list of requirements I was scratching my head. If it was an actual challenge they would accept prototypes or they would have a list of specs to build matching software to.